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%)

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