$data <<EOF
09/1988	6.01	6.01	5.62	5.62	-6.39%
10/1988	5.62	5.77	5.24	5.68	0.91%
11/1988	5.68	6.39	5.62	6.39	12.62%
12/1988	6.39	7.67	6.26	7.03	10.00%
01/1989	7.03	7.16	6.72	6.72	-4.37%
02/1989	6.72	7.13	6.42	6.65	-1.13%
03/1989	6.65	7.02	6.65	6.95	4.62%
04/1989	6.95	7.39	6.85	7.38	6.05%
05/1989	7.38	8.00	7.29	8.00	8.50%
06/1989	8.00	9.84	8.00	9.20	15.01%
07/1989	9.20	9.20	8.44	8.46	-8.05%
08/1989	8.46	8.67	8.46	8.67	2.41%
09/1989	8.67	9.97	8.51	9.97	15.05%
10/1989	9.97	10.23	9.10	10.10	1.28%
11/1989	10.10	10.20	9.46	9.97	-1.27%
12/1989	9.97	10.23	9.46	9.97	0.00%
01/1990	9.97	10.23	9.77	10.23	2.57%
02/1990	10.23	14.01	10.23	13.55	32.50%
03/1990	13.55	17.36	13.29	14.83	9.43%
04/1990	14.83	15.34	13.81	13.81	-6.89%
05/1990	13.81	13.81	12.02	12.73	-7.78%
06/1990	12.73	12.78	11.71	11.71	-8.03%
07/1990	11.71	11.76	11.25	11.63	0.66%
08/1990	11.63	11.63	9.84	9.84	-15.39%
09/1990	9.84	9.84	7.93	7.93	-19.48%
10/1990	7.93	8.79	7.93	8.44	6.45%
11/1990	8.44	8.46	8.18	8.26	-2.12%
12/1990	8.26	8.44	8.26	8.31	0.62%
01/1991	8.31	9.46	8.31	9.46	13.85%
02/1991	9.46	11.71	9.46	11.71	23.79%
03/1991	11.71	12.55	11.38	11.38	-2.84%
04/1991	11.38	11.50	10.87	10.87	-4.49%
05/1991	10.87	10.99	10.74	10.74	-1.18%
06/1991	10.74	10.87	10.69	10.69	0.47%
07/1991	10.69	10.74	10.69	10.74	0.48%
08/1991	10.74	10.99	10.61	10.79	0.47%
09/1991	10.79	10.79	10.74	10.76	0.23%
10/1991	10.76	10.76	10.74	10.74	0.24%
11/1991	10.74	10.74	10.48	10.48	-2.38%
12/1991	10.48	10.48	10.48	10.48	0.00%
01/1992	10.48	11.12	10.48	10.99	4.89%
02/1992	10.99	11.25	10.99	11.25	2.32%
03/1992	11.25	12.53	11.25	11.52	2.39%
04/1992	11.52	11.52	11.02	11.50	0.11%
05/1992	11.50	12.07	11.50	12.07	4.89%
06/1992	12.07	12.07	11.50	11.50	-4.66%
07/1992	11.50	11.50	11.50	11.50	0.00%
08/1992	11.50	11.76	11.25	11.50	0.00%
09/1992	11.50	11.50	11.50	11.50	0.00%
10/1992	11.50	11.50	11.38	11.38	-1.11%
11/1992	11.38	11.38	11.12	11.25	-1.13%
12/1992	11.25	11.25	11.25	11.25	0.00%
01/1993	11.25	11.25	9.59	9.77	-13.18%
02/1993	9.77	10.74	9.77	10.74	9.94%
03/1993	10.74	14.32	10.74	11.76	9.53%
04/1993	11.76	12.60	11.25	11.25	-4.35%
05/1993	11.25	11.25	11.25	11.25	0.00%
06/1993	11.25	11.25	11.25	11.25	0.00%
07/1993	11.25	11.76	11.25	11.76	4.55%
08/1993	11.76	11.76	11.50	11.50	-2.18%
09/1993	11.50	11.76	11.50	11.50	0.00%
10/1993	11.50	12.02	11.50	11.50	0.00%
11/1993	11.50	11.50	11.50	11.50	0.00%
12/1993	11.50	12.02	10.66	10.99	-4.44%
01/1994	10.99	16.59	10.99	12.14	10.46%
02/1994	12.14	13.01	11.89	12.14	0.00%
03/1994	12.14	12.17	11.12	12.02	-1.05%
04/1994	12.02	12.14	11.25	12.14	1.07%
05/1994	12.14	12.53	12.14	12.53	3.16%
06/1994	12.53	12.65	12.53	12.65	1.01%
07/1994	12.65	12.65	12.65	12.65	0.00%
08/1994	12.65	12.65	12.04	12.04	-4.83%
09/1994	12.04	12.04	12.04	12.04	0.00%
10/1994	12.04	12.04	12.04	12.04	0.00%
11/1994	12.04	12.04	12.02	12.02	0.23%
12/1994	12.02	12.02	11.27	11.65	-3.08%
01/1995	11.65	11.65	11.65	11.65	0.00%
02/1995	11.65	11.65	11.65	11.65	0.00%
03/1995	11.65	11.76	11.63	11.63	0.11%
04/1995	11.63	11.63	11.63	11.63	0.00%
05/1995	11.63	11.63	11.50	11.51	-1.07%
06/1995	11.51	11.51	11.51	11.51	0.00%
07/1995	11.51	11.51	11.25	11.25	-2.22%
08/1995	11.25	11.25	10.79	10.79	-4.12%
09/1995	10.79	10.81	10.79	10.81	0.24%
10/1995	10.81	10.81	10.81	10.81	0.00%
11/1995	10.81	10.81	10.10	10.61	-1.90%
12/1995	10.61	12.14	10.61	12.14	14.46%
01/1996	12.14	12.14	10.74	10.74	-11.58%
02/1996	10.74	12.65	9.97	12.45	15.95%
03/1996	12.45	13.17	11.50	11.50	-7.60%
04/1996	11.50	11.63	11.22	11.63	1.11%
05/1996	11.63	11.63	11.50	11.50	-1.10%
06/1996	11.50	11.63	11.50	11.63	1.11%
07/1996	11.63	12.78	11.00	12.78	9.89%
08/1996	12.78	12.78	10.48	10.48	-18.00%
09/1996	10.48	11.50	10.48	11.50	9.76%
10/1996	11.50	11.63	10.99	11.43	0.67%
11/1996	11.43	11.89	11.43	11.89	4.03%
12/1996	11.89	14.83	11.76	14.83	24.72%
01/1997	14.83	14.83	13.81	14.83	0.00%
02/1997	14.83	14.83	13.17	14.19	-4.31%
03/1997	14.19	14.32	13.81	13.81	-2.70%
04/1997	13.81	14.06	13.29	14.06	1.85%
05/1997	14.06	14.70	13.81	14.70	4.54%
06/1997	14.70	14.70	14.57	14.70	0.00%
07/1997	14.70	14.96	13.29	14.96	1.73%
08/1997	14.96	14.96	13.83	13.83	-7.52%
09/1997	13.83	13.83	13.55	13.60	-1.66%
10/1997	13.60	16.62	13.60	16.62	22.18%
11/1997	16.62	17.33	16.62	17.33	4.31%
12/1997	17.33	17.33	14.83	14.83	-14.44%
01/1998	14.83	15.34	14.83	15.34	3.43%
02/1998	15.34	17.13	15.34	16.23	5.83%
03/1998	16.23	16.87	15.24	15.34	-5.51%
04/1998	15.34	16.59	15.06	15.54	1.33%
05/1998	15.54	17.41	11.76	11.76	-24.34%
06/1998	11.76	12.48	11.76	12.12	3.04%
07/1998	12.12	12.42	11.91	12.22	0.84%
08/1998	12.22	12.22	10.43	10.43	-14.65%
09/1998	10.43	10.48	9.56	9.56	-8.33%
10/1998	9.56	9.56	7.72	8.18	-14.43%
11/1998	8.18	9.20	8.18	8.64	5.62%
12/1998	8.64	9.25	8.39	8.95	3.55%
01/1999	8.95	9.18	8.63	8.90	0.54%
02/1999	8.90	9.45	8.60	9.20	3.37%
03/1999	9.20	9.50	7.95	8.30	-9.78%
04/1999	8.30	8.30	7.70	8.05	-3.01%
05/1999	8.05	8.20	7.15	7.20	-10.56%
06/1999	7.20	8.30	7.20	8.00	11.11%
07/1999	8.00	8.99	7.85	8.00	0.00%
08/1999	8.00	8.22	7.90	7.90	-1.25%
09/1999	7.90	8.05	7.90	8.03	1.65%
10/1999	8.03	8.15	8.00	8.07	0.50%
11/1999	8.07	8.29	8.00	8.20	1.61%
12/1999	8.20	9.80	8.20	9.40	14.63%
01/2000	9.40	10.30	9.00	9.20	-2.13%
02/2000	9.20	9.55	9.11	9.30	1.09%
03/2000	9.30	9.38	8.50	8.92	-4.09%
04/2000	8.92	8.92	8.50	8.75	-1.91%
05/2000	8.75	8.95	7.97	8.00	-8.57%
06/2000	8.00	8.00	7.26	7.45	-6.88%
07/2000	7.45	7.65	7.40	7.60	2.01%
08/2000	7.60	8.29	7.35	8.20	7.89%
09/2000	8.20	8.20	7.70	8.10	-1.22%
10/2000	8.10	8.10	7.71	7.86	-2.96%
11/2000	7.86	8.30	7.85	7.90	0.51%
12/2000	7.90	8.90	7.80	8.90	12.66%
01/2001	8.90	9.68	8.90	9.30	4.49%
02/2001	9.30	10.00	9.29	10.00	7.53%
03/2001	10.00	10.25	9.89	9.89	-1.10%
04/2001	9.89	10.70	9.40	10.70	8.19%
05/2001	10.70	10.83	9.92	10.20	-4.67%
06/2001	10.20	10.51	9.42	10.40	1.96%
07/2001	10.40	10.40	9.30	9.70	-6.73%
08/2001	9.70	9.86	9.55	9.62	0.82%
09/2001	9.62	9.65	7.60	8.60	-10.60%
10/2001	8.60	9.18	8.05	9.09	5.70%
11/2001	9.09	9.99	9.09	9.75	7.26%
12/2001	9.75	9.89	9.25	9.55	-2.05%
01/2002	9.55	12.38	9.55	12.05	26.18%
02/2002	12.05	12.14	11.08	11.25	-6.64%
03/2002	11.25	11.90	10.70	11.90	5.78%
04/2002	11.90	11.90	10.71	11.15	-6.30%
05/2002	11.15	11.15	10.70	10.70	-4.04%
06/2002	10.70	11.15	9.28	10.30	-3.74%
07/2002	10.30	10.60	8.90	8.95	-13.11%
08/2002	8.95	9.25	8.14	8.75	-2.23%
09/2002	8.75	8.78	7.30	7.45	-14.86%
10/2002	7.45	7.45	6.54	7.09	-4.83%
11/2002	7.09	7.10	6.15	6.60	-6.91%
12/2002	6.60	6.89	6.00	6.03	-8.64%
01/2003	6.03	6.90	6.03	6.79	12.60%
02/2003	6.79	7.30	6.79	7.23	6.48%
03/2003	7.23	7.51	6.72	6.88	-4.84%
04/2003	6.88	7.45	6.60	6.90	0.29%
05/2003	6.90	7.37	6.90	6.98	1.16%
06/2003	6.98	6.99	6.57	6.57	-5.87%
07/2003	6.57	7.56	6.46	7.56	15.07%
08/2003	7.56	8.15	7.16	8.15	7.80%
09/2003	8.15	8.80	7.63	7.63	-6.38%
10/2003	7.63	8.29	7.63	8.29	8.65%
11/2003	8.29	8.58	8.15	8.44	1.81%
12/2003	8.44	9.29	8.44	8.74	3.55%
01/2004	8.74	9.53	8.74	9.36	7.09%
02/2004	9.36	10.18	9.36	10.02	7.05%
03/2004	10.02	10.40	9.70	10.15	1.30%
04/2004	10.15	10.55	10.15	10.18	0.30%
05/2004	10.18	10.18	9.15	9.66	-5.11%
06/2004	9.66	9.84	9.31	9.84	1.86%
07/2004	9.84	10.15	9.63	10.15	3.15%
08/2004	10.15	11.00	9.52	10.95	7.88%
09/2004	10.95	12.28	10.86	12.28	12.15%
10/2004	12.28	13.99	12.26	12.75	3.83%
11/2004	12.75	15.45	12.75	15.21	19.29%
12/2004	15.21	15.21	13.40	14.28	-6.11%
01/2005	14.28	16.90	14.28	16.35	14.50%
02/2005	16.35	17.63	16.10	16.65	1.83%
03/2005	16.65	17.08	15.80	16.58	0.42%
04/2005	16.58	16.77	15.62	15.85	-4.40%
05/2005	15.85	19.09	15.85	19.05	20.19%
06/2005	19.05	22.45	18.96	22.45	17.85%
07/2005	22.45	26.28	22.35	26.28	17.06%
08/2005	26.28	30.13	26.28	30.13	14.65%
09/2005	30.13	41.70	30.13	41.25	36.91%
10/2005	41.25	42.45	33.19	36.73	-10.96%
11/2005	36.73	42.75	36.70	42.53	15.79%
12/2005	42.53	45.75	41.80	45.60	7.22%
01/2006	45.60	57.95	45.60	56.70	24.34%
02/2006	56.70	59.30	53.00	57.00	0.53%
03/2006	57.00	65.40	57.00	60.73	6.54%
04/2006	60.73	66.85	59.10	63.00	3.74%
05/2006	63.00	70.70	50.30	67.77	7.57%
06/2006	67.77	69.40	54.28	65.95	-2.69%
07/2006	65.95	68.67	59.40	61.70	-6.44%
08/2006	61.70	69.95	60.77	69.95	13.37%
09/2006	69.95	74.20	69.95	74.20	6.08%
10/2006	74.20	85.35	74.20	83.75	12.87%
11/2006	83.75	90.85	83.15	90.85	8.48%
12/2006	90.85	100.05	90.85	99.70	9.74%
01/2007	99.70	101.65	93.15	97.80	-1.91%
02/2007	97.80	106.15	91.00	94.05	-3.83%
03/2007	94.05	109.10	90.45	109.10	16.00%
04/2007	109.10	121.95	109.10	121.95	11.78%
05/2007	121.95	143.10	121.95	141.80	16.28%
06/2007	141.80	148.80	131.50	142.10	0.21%
07/2007	142.10	157.25	140.30	151.00	6.26%
08/2007	151.00	151.00	121.00	145.50	-3.64%
09/2007	145.50	148.36	134.40	138.65	-4.71%
10/2007	138.65	148.58	132.70	135.75	-2.09%
11/2007	135.75	135.78	100.40	109.83	-19.09%
12/2007	109.83	109.83	96.71	101.25	-7.81%
01/2008	101.25	105.40	86.65	105.40	4.10%
02/2008	105.40	123.40	105.40	116.40	10.44%
03/2008	116.40	116.40	102.00	110.90	-4.73%
04/2008	110.90	132.15	108.65	132.15	19.16%
05/2008	132.15	143.50	123.65	126.60	-4.20%
06/2008	126.60	127.50	116.30	116.30	-8.14%
07/2008	116.30	116.30	95.72	105.03	-9.69%
08/2008	105.03	105.03	98.30	105.00	0.03%
09/2008	105.00	105.00	68.48	72.10	-31.33%
10/2008	72.10	72.10	40.90	52.25	-27.53%
11/2008	52.25	62.40	39.90	54.40	4.11%
12/2008	54.40	55.01	47.40	55.01	1.12%
01/2009	55.01	61.59	48.70	57.05	3.71%
02/2009	57.05	67.40	49.63	49.63	-13.01%
03/2009	49.63	50.98	40.50	42.48	-14.41%
04/2009	42.48	57.26	42.48	53.50	25.94%
05/2009	53.50	66.33	50.03	65.98	23.33%
06/2009	65.98	71.25	57.63	62.50	-5.27%
07/2009	62.50	71.10	57.44	71.10	13.76%
08/2009	71.10	73.00	64.40	66.39	-6.62%
09/2009	66.39	72.30	60.80	66.58	0.29%
10/2009	66.58	70.90	60.75	61.30	-7.93%
11/2009	61.30	65.15	60.70	63.50	3.59%
12/2009	63.50	69.23	63.50	68.62	8.06%
01/2010	68.62	72.80	63.25	64.21	-6.43%
02/2010	64.21	67.40	63.60	64.70	0.76%
03/2010	64.70	69.03	64.70	68.65	6.11%
04/2010	68.65	70.80	61.15	61.15	-10.92%
05/2010	61.15	62.03	49.30	52.72	-13.79%
06/2010	52.72	53.28	48.77	49.19	-6.70%
07/2010	49.19	52.01	46.47	51.35	4.39%
08/2010	51.35	55.75	46.75	48.27	-6.01%
09/2010	48.27	51.77	47.00	47.83	0.91%
10/2010	47.83	55.13	45.94	51.54	7.77%
11/2010	51.54	55.87	49.76	49.76	-3.45%
12/2010	49.76	58.06	49.76	56.92	14.39%
01/2011	56.92	60.48	54.90	59.26	4.11%
02/2011	59.26	64.63	58.80	60.07	1.37%
03/2011	60.07	60.19	50.80	55.68	-7.31%
04/2011	55.68	58.38	50.92	53.14	-4.56%
05/2011	53.14	54.88	49.31	51.45	-3.18%
06/2011	51.45	52.43	48.46	52.43	1.90%
07/2011	52.43	54.81	50.91	50.91	-2.90%
08/2011	50.91	50.91	37.75	43.46	-14.63%
09/2011	43.46	43.46	34.29	36.20	-16.72%
10/2011	36.20	43.40	33.90	41.16	13.70%
11/2011	41.16	41.16	34.14	38.43	-6.63%
12/2011	38.43	40.66	35.81	38.60	0.46%
01/2012	38.60	48.65	38.60	46.00	19.18%
02/2012	46.00	49.01	43.86	45.88	0.27%
03/2012	45.88	46.02	39.80	41.88	-8.72%
04/2012	41.88	42.03	37.29	39.24	-6.30%
05/2012	39.24	39.25	34.70	34.70	-11.57%
06/2012	34.70	37.15	31.43	32.34	-6.80%
07/2012	32.34	33.10	27.54	29.67	-8.24%
08/2012	29.67	32.70	27.83	29.28	-1.32%
09/2012	29.28	34.56	28.31	30.28	3.42%
10/2012	30.28	34.90	30.28	33.52	10.69%
11/2012	33.52	35.85	31.05	35.47	5.83%
12/2012	35.47	40.31	35.21	39.39	11.03%
01/2013	39.39	41.18	34.22	34.22	-13.12%
02/2013	34.22	37.30	34.22	36.36	6.24%
03/2013	36.36	36.36	30.97	31.45	-13.49%
04/2013	31.45	31.57	28.70	29.74	-5.43%
05/2013	29.74	32.54	29.64	29.81	0.23%
06/2013	29.81	29.81	25.43	25.43	-14.68%
07/2013	25.43	28.45	24.90	27.88	9.62%
08/2013	27.88	30.04	25.30	28.98	3.93%
09/2013	28.98	32.75	28.98	29.96	3.39%
10/2013	29.96	33.48	29.92	32.62	8.89%
11/2013	32.62	33.78	30.80	32.25	-1.15%
12/2013	32.25	32.25	28.29	30.96	-3.99%
01/2014	30.96	32.87	29.86	32.70	5.61%
02/2014	32.70	32.70	30.18	30.57	-6.51%
03/2014	30.57	30.57	27.25	28.72	-6.05%
04/2014	28.72	31.10	28.72	30.55	6.38%
05/2014	30.55	33.39	30.22	31.41	2.82%
06/2014	31.41	31.71	30.28	30.66	-2.41%
07/2014	30.66	31.65	27.89	27.89	-9.02%
08/2014	27.89	29.56	25.85	28.44	1.98%
09/2014	28.44	30.74	27.00	27.00	-5.07%
10/2014	27.00	27.00	22.19	24.07	-10.84%
11/2014	24.07	28.13	22.55	26.43	9.80%
12/2014	26.43	26.43	21.87	23.52	-11.03%
01/2015	23.52	24.16	21.33	24.16	2.73%
02/2015	24.16	27.45	24.16	25.62	6.04%
03/2015	25.62	28.30	25.08	27.00	5.39%
04/2015	27.00	31.20	27.00	30.74	13.86%
05/2015	30.74	35.80	30.74	33.02	7.42%
06/2015	33.02	34.60	32.02	32.02	-3.03%
07/2015	32.02	34.40	30.05	32.00	0.07%
08/2015	32.00	34.25	26.49	27.61	-13.73%
09/2015	27.61	27.88	21.76	22.17	-19.68%
10/2015	22.17	27.42	22.17	26.30	18.61%
11/2015	26.30	27.25	22.94	23.33	-11.29%
12/2015	23.33	23.33	20.83	22.81	-2.23%
01/2016	22.81	22.81	18.47	19.65	-13.85%
02/2016	19.65	22.28	17.16	20.35	3.56%
03/2016	20.35	25.12	20.35	24.83	22.00%
04/2016	24.83	30.63	23.47	29.60	19.20%
05/2016	29.60	29.61	25.26	28.64	-3.22%
06/2016	28.64	29.09	23.46	23.78	-16.97%
07/2016	23.78	27.92	23.02	27.92	17.38%
08/2016	27.92	29.90	26.96	27.05	-3.10%
09/2016	27.05	29.37	27.05	28.93	6.95%
10/2016	28.93	32.00	28.93	29.96	3.55%
11/2016	29.96	30.68	27.31	30.68	2.43%
12/2016	30.68	35.11	30.54	33.53	9.27%
01/2017	33.53	37.20	33.13	35.41	5.62%
02/2017	35.41	37.98	34.55	34.55	-2.44%
03/2017	34.55	36.30	32.04	34.03	-1.50%
04/2017	34.03	34.56	30.00	31.60	-7.14%
05/2017	31.60	34.90	31.60	33.75	6.79%
06/2017	33.75	36.05	32.89	35.77	5.99%
07/2017	35.77	38.77	35.77	38.38	7.30%
08/2017	38.38	38.86	36.03	37.67	-1.86%
09/2017	37.67	39.11	36.60	38.35	1.81%
10/2017	38.35	42.66	37.22	41.43	8.05%
11/2017	41.43	44.28	40.05	43.24	4.37%
12/2017	43.24	47.75	42.10	47.75	10.43%
01/2018	47.75	51.76	47.75	48.40	1.36%
02/2018	48.40	48.87	44.00	47.08	-2.73%
03/2018	47.08	47.08	40.30	41.45	-11.96%
04/2018	41.45	46.81	39.81	45.69	10.23%
05/2018	45.69	48.51	43.88	43.88	-3.96%
06/2018	43.88	45.02	36.69	38.16	-13.04%
07/2018	38.16	42.62	36.55	42.17	10.51%
08/2018	42.17	42.17	38.01	39.11	-7.26%
09/2018	39.11	43.46	36.73	42.94	9.79%
10/2018	42.94	43.40	33.86	34.96	-18.58%
11/2018	34.96	37.00	27.73	27.73	-20.68%
12/2018	27.73	28.64	25.03	25.23	-9.02%
01/2019	25.23	27.56	24.25	26.59	5.39%
02/2019	26.59	26.96	23.75	26.96	1.39%
03/2019	26.96	28.47	25.35	25.60	-5.04%
04/2019	25.60	31.22	25.60	28.65	11.91%
05/2019	28.65	29.32	23.50	23.56	-17.77%
06/2019	23.56	25.23	22.94	24.94	5.86%
07/2019	24.94	25.31	19.42	19.99	-19.85%
08/2019	19.99	19.99	15.04	16.61	-16.93%
09/2019	16.61	18.89	15.36	15.46	-6.90%
10/2019	15.46	16.96	14.44	16.06	3.85%
11/2019	16.06	18.49	16.06	18.00	12.11%
12/2019	18.00	20.59	17.00	20.02	11.22%
01/2020	20.02	20.23	15.20	15.24	-23.90%
02/2020	15.24	17.29	14.82	14.82	-2.72%
03/2020	14.82	15.20	8.45	10.80	-27.13%
04/2020	10.80	12.98	10.28	12.23	13.19%
05/2020	12.23	13.00	9.20	12.21	0.12%
06/2020	12.21	14.37	11.44	12.47	2.13%
07/2020	12.47	13.49	11.70	11.70	-6.17%
08/2020	11.70	14.45	11.70	13.48	15.17%
09/2020	13.48	14.68	13.38	14.23	5.60%
10/2020	14.23	14.74	12.46	12.46	-12.44%
11/2020	12.46	18.06	12.20	17.12	37.40%
12/2020	17.12	21.70	17.12	21.63	26.34%
01/2021	21.63	23.11	20.98	21.38	-1.16%
02/2021	21.38	26.21	21.28	24.89	16.42%
03/2021	24.89	26.87	22.43	26.57	6.75%
04/2021	26.57	28.08	25.88	26.46	0.41%
05/2021	26.46	29.04	25.42	27.00	2.04%
06/2021	27.00	27.72	24.24	24.78	-8.22%
07/2021	24.78	32.86	24.78	32.86	32.61%
08/2021	32.86	34.36	30.44	32.54	0.97%
09/2021	32.54	32.78	26.86	29.28	-10.02%
10/2021	29.28	32.32	27.36	32.32	10.38%
11/2021	32.32	32.42	26.32	26.32	-18.56%
12/2021	26.32	31.88	26.32	31.88	21.12%
01/2022	31.88	36.92	30.00	30.02	-5.83%
02/2022	30.02	39.38	30.02	39.38	31.18%
03/2022	39.38	48.06	35.40	42.88	8.89%
04/2022	42.88	45.30	38.94	39.48	-7.93%
05/2022	39.48	39.48	33.74	38.22	-3.19%
06/2022	38.22	39.60	23.20	23.20	-39.30%
07/2022	23.20	24.10	21.50	24.10	3.88%
08/2022	24.10	26.70	23.44	24.50	1.66%
09/2022	24.50	25.78	19.00	19.00	-22.45%
10/2022	19.00	23.50	19.00	23.00	21.05%
11/2022	23.00	30.04	22.32	27.92	21.39%
12/2022	27.92	30.22	27.04	29.08	4.15%
01/2023	29.08	39.26	29.08	37.66	29.50%
02/2023	37.66	40.16	36.72	39.72	5.47%
03/2023	39.72	41.46	30.94	36.24	-8.76%
04/2023	36.24	38.38	34.50	35.72	-1.43%
05/2023	35.72	35.72	30.72	30.72	-14.00%
06/2023	30.72	35.80	30.72	33.42	8.79%
07/2023	33.42	34.06	29.02	31.06	-7.06%
08/2023	31.06	31.50	26.58	26.70	-14.04%
09/2023	26.70	27.54	24.42	25.44	-4.72%
10/2023	25.44	25.44	22.50	23.04	-9.43%
11/2023	23.04	27.96	23.04	27.14	17.80%
12/2023	27.14	29.24	25.72	28.04	3.32%
01/2024	28.04	28.06	24.68	26.14	-6.78%
02/2024	26.14	26.34	23.64	23.64	-9.56%
03/2024	23.64	24.14	22.72	24.14	2.12%
04/2024	24.14	25.46	22.82	24.26	0.50%
05/2024	24.26	24.52	22.00	23.14	-4.62%
06/2024	23.14	23.14	18.01	18.01	-22.17%
07/2024	18.01	19.42	16.02	16.65	-7.55%
08/2024	16.65	16.65	14.91	15.80	-5.11%
09/2024	15.80	16.45	13.88	16.45	4.11%
10/2024	16.45	16.45	13.06	14.20	-13.68%
11/2024	14.20	19.20	13.77	16.69	17.54%
12/2024	16.69	17.78	15.68	16.09	-3.59%
01/2025	16.09	17.77	15.51	17.76	10.38%
02/2025	17.76	20.52	17.55	19.59	10.30%
03/2025	19.59	27.68	19.59	23.74	21.18%
04/2025	23.74	25.02	21.06	21.38	-9.94%
05/2025	21.38	23.78	20.64	21.12	-1.22%
06/2025	21.12	21.14	19.21	20.68	-2.08%
07/2025	20.68	28.96	19.99	22.54	8.99%
08/2025	22.54	23.72	21.56	22.44	0.44%
09/2025	22.44	25.58	20.84	25.58	13.99%
10/2025	25.58	33.96	25.58	28.04	9.62%
11/2025	28.04	35.68	27.24	35.68	27.25%
12/2025	35.68	41.52	35.06	40.32	13.00%
EOF

set term pdf size 22,13
set term pdf font "sans,20"
set output "Salzgitter_stock_price.pdf"
set grid
set key top left
set xdata time
set timefmt "%m/%Y"
set format x "%b %Y"
set xtics rotate by -90 
set xtics 365.25*24*60*60/1	# 1 tics per year

wd = 15.25*24*60*60	# 15.25 days box width
set style fill transparent solid 0.8
plot $data using 1:(($3+$4)/2):(wd):(($4-$3)/2) with boxxyerror lw 1 lc 3 title "Salzgitter [DE0006202005] "