Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	56.38	56.39	56.07	56.25	14,012	-0.15(-0.27%)
Apr 27, 2012	56.47	56.76	56.35	56.40	28,469	+0.08(+0.15%)
Apr 26, 2012	56.65	56.69	56.32	56.32	16,074	-0.18(-0.32%)
Apr 25, 2012	56.82	56.82	56.50	56.50	67,578	-0.26(-0.46%)
Apr 24, 2012	56.41	56.90	56.35	56.76	99,712	-0.11(-0.19%)
Apr 23, 2012	56.63	56.87	56.48	56.87	7,908	+0.25(+0.45%)
Apr 20, 2012	56.59	56.66	56.41	56.62	20,668	-0.27(-0.48%)
Apr 19, 2012	56.81	56.93	56.63	56.89	15,063	+0.29(+0.51%)
Apr 18, 2012	56.71	56.96	56.58	56.60	6,425	-0.32(-0.56%)
Apr 17, 2012	56.84	57.06	56.79	56.92	40,835	+0.24(+0.42%)
Apr 16, 2012	56.95	57.11	56.44	56.68	15,328	-0.46(-0.81%)
Apr 13, 2012	56.88	57.16	56.76	57.14	31,351	-0.02(-0.03%)
Apr 12, 2012	58.00	58.00	57.05	57.16	28,048	-0.60(-1.04%)
Apr 11, 2012	57.55	57.84	57.53	57.76	11,637	+0.08(+0.14%)
Apr 10, 2012	57.30	57.85	57.27	57.68	17,503	+0.47(+0.82%)
Apr 09, 2012	57.03	57.21	56.83	57.21	21,476	+0.19(+0.33%)
Apr 05, 2012	57.02	57.15	56.92	57.02	8,498	+0.03(+0.05%)
Apr 04, 2012	57.07	57.07	56.75	56.99	14,877	-0.01(-0.02%)
Apr 03, 2012	57.47	57.51	56.90	57.00	126,065	-0.25(-0.44%)
Apr 02, 2012	57.21	57.71	57.21	57.25	55,167	-0.62(-1.07%)
Mar 30, 2012	57.83	58.25	57.44	57.87	87,824	+0.04(+0.07%)
Mar 29, 2012	57.86	58.03	57.68	57.83	71,358	-0.17(-0.29%)
Mar 28, 2012	57.86	58.00	57.39	58.00	11,210	-0.11(-0.19%)
Mar 27, 2012	58.89	59.00	57.97	58.11	30,615	-1.04(-1.76%)
Mar 26, 2012	59.96	60.06	59.15	59.15	20,004	-0.37(-0.62%)
Mar 23, 2012	59.50	59.68	59.27	59.52	24,449	+0.25(+0.42%)
Mar 22, 2012	59.05	59.28	58.56	59.27	12,718	+0.23(+0.39%)
Mar 21, 2012	59.22	59.44	58.83	59.04	30,918	+0.07(+0.12%)
Mar 20, 2012	58.46	58.97	58.46	58.97	47,530	+0.37(+0.63%)
Mar 19, 2012	58.48	58.85	58.37	58.60	7,702	+0.17(+0.29%)
Mar 16, 2012	58.10	58.46	58.10	58.43	16,887	+0.33(+0.57%)
Mar 15, 2012	58.36	58.41	57.88	58.10	58,310	+0.10(+0.17%)
Mar 14, 2012	58.35	58.47	58.00	58.00	18,047	-0.22(-0.38%)
Mar 13, 2012	58.60	58.75	58.22	58.22	8,738	-0.30(-0.51%)
Mar 12, 2012	58.53	58.64	58.37	58.52	8,983	+0.02(+0.04%)
Mar 09, 2012	58.94	58.95	58.50	58.50	15,457	-0.21(-0.36%)
Mar 08, 2012	58.93	58.93	58.53	58.71	15,748	-0.09(-0.15%)
Mar 07, 2012	58.67	58.91	58.28	58.80	31,388	-0.20(-0.34%)
Mar 06, 2012	59.71	59.75	59.00	59.00	65,532	-0.24(-0.41%)
Mar 05, 2012	59.26	59.33	59.00	59.24	14,463	-0.14(-0.23%)
Mar 02, 2012	58.71	59.38	58.53	59.38	22,996	+0.67(+1.14%)
Mar 01, 2012	58.83	59.24	58.38	58.71	14,578	+0.18(+0.31%)
Feb 29, 2012	58.78	58.86	58.36	58.53	11,327	-0.21(-0.36%)
Feb 28, 2012	59.02	59.18	58.74	58.74	15,196	-0.50(-0.84%)
Feb 27, 2012	59.16	59.25	58.87	59.24	18,413	+0.04(+0.06%)
Feb 24, 2012	58.87	59.20	58.53	59.20	10,430	+0.78(+1.33%)
Feb 23, 2012	57.98	58.42	57.98	58.42	11,881	+0.12(+0.21%)
Feb 22, 2012	58.30	58.74	58.00	58.30	26,131	-0.08(-0.13%)
Feb 21, 2012	58.00	58.37	57.75	58.37	19,725	+0.68(+1.19%)
Feb 17, 2012	57.23	57.69	57.23	57.69	15,097	+0.76(+1.33%)
Feb 16, 2012	56.92	57.51	56.77	56.93	13,149	-0.08(-0.14%)
Feb 15, 2012	57.40	57.47	56.86	57.01	10,359	-0.08(-0.14%)
Feb 14, 2012	56.73	57.16	56.69	57.09	16,830	+0.39(+0.69%)
Feb 13, 2012	56.18	56.72	56.18	56.70	9,405	-0.28(-0.49%)
Feb 10, 2012	55.55	57.15	55.55	56.98	82,959	+0.52(+0.92%)
Feb 09, 2012	56.10	56.49	56.06	56.46	14,347	+0.27(+0.48%)
Feb 08, 2012	56.26	56.45	56.19	56.19	14,576	-0.10(-0.18%)
Feb 07, 2012	56.62	56.73	55.99	56.29	87,919	-0.99(-1.73%)
Feb 06, 2012	56.85	58.05	56.74	57.28	79,383	+0.42(+0.74%)
Feb 03, 2012	57.06	57.30	56.69	56.86	17,073	-0.19(-0.33%)
Feb 02, 2012	57.04	57.19	56.96	57.05	30,964	+0.13(+0.23%)
Feb 01, 2012	56.98	57.20	56.90	56.92	50,725	-0.08(-0.14%)
Jan 31, 2012	56.58	57.14	56.58	57.00	50,554	+0.19(+0.34%)
Jan 30, 2012	56.77	56.91	56.72	56.81	35,034	-0.10(-0.18%)
Jan 27, 2012	57.42	57.42	56.79	56.91	30,763	-0.23(-0.40%)
Jan 26, 2012	56.50	57.15	56.50	57.14	18,052	+0.44(+0.78%)
Jan 25, 2012	56.77	56.88	56.41	56.70	8,076	-0.06(-0.11%)
Jan 24, 2012	56.61	56.84	56.39	56.76	13,323	+0.06(+0.11%)
Jan 23, 2012	56.75	57.02	56.42	56.70	4,136	+0.02(+0.03%)
Jan 20, 2012	57.10	57.10	56.50	56.68	11,470	-0.32(-0.56%)
Jan 19, 2012	56.82	57.00	56.71	57.00	8,574	+0.36(+0.64%)
Jan 18, 2012	57.02	57.12	56.55	56.64	5,256	-0.27(-0.47%)
Jan 17, 2012	56.49	57.01	56.37	56.91	100,250	+0.31(+0.55%)
Jan 13, 2012	56.42	56.72	56.30	56.60	13,358	+0.37(+0.66%)
Jan 12, 2012	56.15	56.67	56.01	56.23	12,818	-0.03(-0.05%)
Jan 11, 2012	56.05	56.27	55.94	56.26	86,720	+0.12(+0.21%)
Jan 10, 2012	56.09	56.27	56.00	56.14	6,883	-0.01(-0.02%)
Jan 09, 2012	56.13	56.15	56.01	56.15	2,112	-0.01(-0.02%)
Jan 06, 2012	56.01	56.36	56.01	56.16	20,638	-0.02(-0.04%)
Jan 05, 2012	56.37	56.64	56.18	56.18	7,932	+0.14(+0.25%)
Jan 04, 2012	56.51	56.55	56.02	56.04	18,221	-0.51(-0.90%)
Dec 30, 2011	56.50	56.63	56.21	56.55	9,034	-0.08(-0.14%)
Dec 29, 2011	56.60	56.77	56.41	56.63	31,422	-0.08(-0.14%)
Dec 28, 2011	56.05	56.87	56.05	56.71	54,388	+0.25(+0.45%)
Dec 27, 2011	56.76	56.76	56.19	56.46	28,249	-0.65(-1.13%)
Dec 23, 2011	56.91	57.30	56.69	57.10	19,940	-0.43(-0.74%)
Dec 21, 2011	57.77	57.78	57.38	57.53	14,541	-0.17(-0.29%)
Dec 20, 2011	57.76	58.04	57.51	57.70	9,733	-0.36(-0.62%)
Dec 19, 2011	57.98	58.43	57.85	58.06	17,910	-0.31(-0.53%)
Dec 16, 2011	58.00	58.45	58.00	58.37	20,360	+0.31(+0.53%)
Dec 15, 2011	58.01	58.40	58.00	58.06	7,918	-0.44(-0.75%)
Dec 14, 2011	58.73	58.73	58.16	58.50	6,716	+0.02(+0.03%)
Dec 13, 2011	57.82	58.48	57.51	58.48	96,071	+0.07(+0.12%)
Dec 12, 2011	57.70	58.46	57.70	58.41	18,270	+1.12(+1.96%)
Dec 09, 2011	56.95	57.34	56.95	57.29	30,967	-0.32(-0.56%)
Dec 08, 2011	57.05	57.73	57.05	57.61	12,196	+0.69(+1.21%)
Dec 07, 2011	56.65	57.10	56.62	56.92	3,939	+0.44(+0.78%)
Dec 06, 2011	56.60	56.65	56.34	56.48	81,500	-0.12(-0.21%)
Dec 05, 2011	56.51	56.95	56.51	56.60	9,455	-0.50(-0.88%)
Dec 02, 2011	56.48	57.10	56.48	57.10	5,171	+0.14(+0.25%)
Dec 01, 2011	57.33	57.14	56.96	56.96	163,249	-0.37(-0.65%)
Nov 30, 2011	57.69	57.82	57.33	57.33	15,674	-1.59(-2.70%)
Nov 29, 2011	58.97	59.00	58.66	58.92	59,198	-0.18(-0.30%)
Nov 28, 2011	58.51	59.14	58.51	59.10	21,965	-0.64(-1.07%)
Nov 25, 2011	59.88	60.00	59.06	59.74	5,376	+0.16(+0.27%)
Nov 23, 2011	59.37	59.58	59.33	59.58	7,255	+0.41(+0.69%)
Nov 22, 2011	59.24	59.49	59.11	59.17	25,231	+0.14(+0.24%)
Nov 21, 2011	59.60	59.60	58.90	59.03	19,604	+0.33(+0.56%)
Nov 18, 2011	58.36	58.83	58.33	58.70	58,619	+0.29(+0.50%)
Nov 17, 2011	57.41	58.68	57.41	58.41	61,667	+0.74(+1.28%)
Nov 16, 2011	57.35	57.89	57.17	57.67	860	+0.37(+0.65%)
Nov 15, 2011	57.20	57.74	57.11	57.30	6,211	+0.23(+0.40%)
Nov 14, 2011	57.40	57.52	56.91	57.07	23,227	+0.52(+0.92%)
Nov 11, 2011	57.16	57.17	56.42	56.55	26,620	-1.51(-2.60%)
Nov 10, 2011	57.68	58.17	57.68	58.06	8,249	+0.20(+0.35%)
Nov 09, 2011	57.36	58.10	57.08	57.86	214,904	+1.86(+3.32%)
Nov 08, 2011	56.59	56.64	56.00	56.00	36,300	-0.58(-1.03%)
Nov 07, 2011	56.28	56.94	56.28	56.58	55,716	+0.04(+0.06%)
Nov 04, 2011	56.69	56.90	56.46	56.54	11,434	+0.09(+0.17%)
Nov 03, 2011	57.40	57.40	56.45	56.45	1,935	-0.48(-0.84%)
Nov 02, 2011	57.00	57.25	56.78	56.93	33,482	+0.14(+0.25%)
Nov 01, 2011	57.65	57.65	56.48	56.79	56,122	+1.51(+2.73%)
Oct 31, 2011	54.57	55.35	54.55	55.28	2,878	+0.98(+1.81%)
Oct 28, 2011	54.28	54.35	53.80	54.30	3,982	-0.25(-0.46%)
Oct 27, 2011	55.20	55.44	54.55	54.55	1,575	-2.12(-3.75%)
Oct 26, 2011	56.89	57.12	56.50	56.67	177,557	-0.35(-0.61%)
Oct 25, 2011	56.89	61.86	56.45	57.02	22,701	+0.40(+0.71%)
Oct 24, 2011	58.13	58.13	56.51	56.62	14,251	-1.88(-3.21%)
Oct 21, 2011	58.13	59.00	58.13	58.50	19,829	-1.22(-2.04%)
Oct 20, 2011	60.06	60.33	59.61	59.72	20,751	-0.29(-0.48%)
Oct 19, 2011	59.30	60.01	59.30	60.01	2,538	+0.53(+0.89%)
Oct 18, 2011	59.70	59.92	58.72	59.48	5,423	-0.08(-0.13%)
Oct 17, 2011	59.43	59.72	59.33	59.56	4,600	+0.56(+0.95%)
Oct 14, 2011	59.10	59.75	59.00	59.00	5,280	-0.83(-1.39%)
Oct 13, 2011	60.23	60.23	59.83	59.83	1,065	-1.10(-1.81%)
Oct 11, 2011	60.93	60.93	60.93	60.93	100	-0.42(-0.68%)
Oct 10, 2011	61.35	61.35	61.35	61.35	30,466	+0.05(+0.08%)
Oct 07, 2011	61.34	61.44	61.24	61.30	19,000	-0.56(-0.91%)
Oct 06, 2011	62.30	62.30	61.55	61.86	2,015	-0.17(-0.27%)
Oct 05, 2011	62.62	62.76	61.51	62.03	105,759	-0.05(-0.08%)
Oct 04, 2011	65.20	65.23	62.08	62.08	1,700	-2.69(-4.15%)
Oct 03, 2011	63.97	64.97	63.97	64.77	48,273	+1.70(+2.70%)
Sep 30, 2011	62.38	63.07	61.28	63.07	2,239	+1.22(+1.97%)
Sep 29, 2011	59.88	62.26	59.88	61.85	82,255	+0.69(+1.13%)
Sep 28, 2011	59.34	61.16	59.29	61.16	44,368	+1.62(+2.72%)
Sep 27, 2011	58.76	59.75	58.53	59.54	76,250	-1.03(-1.70%)
Sep 26, 2011	61.13	61.13	60.39	60.57	37,371	-0.17(-0.28%)
Sep 23, 2011	61.69	61.69	60.54	60.74	9,362	-0.81(-1.32%)
Sep 22, 2011	60.48	62.04	60.38	61.55	94,865	+1.55(+2.58%)
Sep 21, 2011	59.83	60.21	59.80	60.00	23,720	+0.49(+0.82%)
Sep 20, 2011	59.89	59.95	58.93	59.51	31,870	+0.06(+0.10%)
Sep 19, 2011	59.99	60.31	59.45	59.45	1,860	-0.01(-0.02%)
Sep 16, 2011	59.16	59.86	59.16	59.46	28,527	-0.79(-1.31%)
Sep 15, 2011	59.88	60.25	59.88	60.25	900	-0.60(-0.99%)
Sep 14, 2011	65.00	65.00	60.85	60.85	600	-0.66(-1.07%)
Sep 13, 2011	61.51	61.51	61.51	61.51	400	-1.34(-2.13%)
Sep 12, 2011	61.50	63.00	61.50	62.85	5,800	+1.78(+2.91%)
Sep 09, 2011	59.98	61.24	59.50	61.07	17,100	+2.47(+4.22%)
Sep 08, 2011	58.90	58.90	58.40	58.60	12,400	+0.50(+0.86%)
Sep 07, 2011	58.42	58.46	58.10	58.10	1,360	-0.90(-1.53%)
Sep 06, 2011	63.00	64.00	59.00	59.00	4,600	-0.19(-0.32%)
Sep 02, 2011	59.49	59.49	58.52	59.19	53,600	+1.40(+2.42%)
Sep 01, 2011	57.11	57.82	56.75	57.79	1,005	-0.51(-0.87%)
Aug 31, 2011	57.90	58.30	57.50	58.30	800	+0.10(+0.17%)
Aug 30, 2011	57.70	58.20	57.50	58.20	1,800	+0.70(+1.22%)
Aug 29, 2011	59.10	59.74	57.50	57.50	1,235	-1.60(-2.71%)
Aug 26, 2011	60.80	60.90	58.91	59.10	2,265	-0.90(-1.50%)
Aug 25, 2011	62.00	63.00	59.35	60.00	1,300	+1.09(+1.85%)
Aug 24, 2011	59.00	59.00	58.91	58.91	300	-0.44(-0.74%)
Aug 23, 2011	59.50	59.59	59.15	59.35	1,000	+0.24(+0.41%)
Aug 22, 2011	60.00	61.10	57.20	59.11	2,188	+0.41(+0.70%)
Aug 19, 2011	55.01	59.00	55.01	58.70	1,400	+2.45(+4.36%)

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