Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	56.85	56.85	56.58	56.69	25,357	-0.27(-0.47%)
Apr 27, 2012	57.10	57.14	56.91	56.96	23,109	-0.11(-0.19%)
Apr 26, 2012	56.52	57.12	56.52	57.07	16,498	+0.45(+0.80%)
Apr 25, 2012	56.23	56.61	56.23	56.61	30,730	+0.68(+1.22%)
Apr 24, 2012	55.92	56.18	55.86	55.93	21,113	+0.03(+0.05%)
Apr 23, 2012	56.08	56.08	55.72	55.90	39,507	-0.63(-1.11%)
Apr 20, 2012	56.32	56.75	56.32	56.53	15,369	+0.38(+0.68%)
Apr 19, 2012	56.17	56.49	56.01	56.15	3,038	-0.38(-0.67%)
Apr 18, 2012	56.41	56.62	56.30	56.53	30,967	-0.12(-0.21%)
Apr 17, 2012	56.32	56.67	56.28	56.65	21,501	+0.65(+1.15%)
Apr 16, 2012	56.16	56.22	55.82	56.00	13,594	+0.09(+0.16%)
Apr 13, 2012	55.96	56.23	55.85	55.91	13,393	-0.08(-0.15%)
Apr 12, 2012	55.76	56.03	55.69	55.99	44,612	+0.25(+0.45%)
Apr 11, 2012	55.79	55.85	55.62	55.74	19,612	+0.40(+0.72%)
Apr 10, 2012	56.07	56.09	55.28	55.34	43,996	-0.84(-1.50%)
Apr 09, 2012	56.20	56.35	56.12	56.19	64,381	-0.61(-1.08%)
Apr 05, 2012	56.68	56.87	56.62	56.80	89,955	-0.08(-0.13%)
Apr 04, 2012	56.91	56.96	56.78	56.87	24,905	-0.22(-0.38%)
Apr 03, 2012	57.25	57.32	56.98	57.09	19,150	-0.21(-0.37%)
Apr 02, 2012	56.84	57.40	56.84	57.30	86,699	+0.49(+0.86%)
Mar 30, 2012	56.71	56.98	56.70	56.81	17,206	+0.23(+0.41%)
Mar 29, 2012	56.24	56.58	56.06	56.58	43,028	+0.15(+0.27%)
Mar 28, 2012	56.46	56.52	56.23	56.43	12,871	-0.21(-0.38%)
Mar 27, 2012	56.84	56.88	56.61	56.65	44,681	-0.08(-0.14%)
Mar 26, 2012	56.54	56.72	56.48	56.72	18,598	+0.52(+0.92%)
Mar 23, 2012	56.06	56.20	55.85	56.20	17,281	+0.01(+0.01%)
Mar 22, 2012	55.92	56.24	55.92	56.20	27,924	-0.05(-0.08%)
Mar 21, 2012	56.19	56.37	56.09	56.24	9,307	+0.10(+0.18%)
Mar 20, 2012	55.91	56.20	55.91	56.14	12,500	-0.02(-0.04%)
Mar 19, 2012	56.01	56.24	55.99	56.17	51,252	+0.16(+0.29%)
Mar 16, 2012	56.23	56.29	56.01	56.01	15,546	-0.22(-0.39%)
Mar 15, 2012	56.02	56.23	55.94	56.23	21,369	+0.23(+0.41%)
Mar 14, 2012	56.17	56.26	55.92	56.00	17,919	-0.18(-0.33%)
Mar 13, 2012	55.81	56.20	55.74	56.18	14,027	+0.63(+1.14%)
Mar 12, 2012	55.56	55.60	55.48	55.55	9,441	+0.11(+0.19%)
Mar 09, 2012	55.17	55.49	55.17	55.44	22,494	+0.20(+0.36%)
Mar 08, 2012	54.91	55.27	54.91	55.24	10,101	+0.56(+1.02%)
Mar 07, 2012	54.62	54.74	54.46	54.69	30,391	+0.14(+0.26%)
Mar 06, 2012	54.97	54.97	54.47	54.54	49,007	-0.77(-1.39%)
Mar 05, 2012	55.20	55.38	55.13	55.31	13,664	-0.01(-0.01%)
Mar 02, 2012	55.33	55.43	55.20	55.32	309,339	-0.02(-0.03%)
Mar 01, 2012	55.24	55.41	55.20	55.33	91,000	+0.19(+0.35%)
Feb 29, 2012	55.19	55.35	55.08	55.14	20,371	+0.02(+0.04%)
Feb 28, 2012	55.01	55.12	54.95	55.12	20,147	+0.11(+0.19%)
Feb 27, 2012	54.68	55.14	54.58	55.01	20,516	+0.10(+0.18%)
Feb 24, 2012	54.90	55.06	54.89	54.91	18,901	+0.06(+0.11%)
Feb 23, 2012	54.60	54.91	54.47	54.85	68,940	+0.27(+0.49%)
Feb 22, 2012	54.58	54.67	54.51	54.59	14,170	-0.10(-0.18%)
Feb 21, 2012	54.87	54.92	54.59	54.69	18,324	-0.13(-0.24%)
Feb 17, 2012	54.95	54.99	54.78	54.82	181,480	+0.02(+0.04%)
Feb 16, 2012	54.24	54.84	54.24	54.79	16,101	+0.53(+0.98%)
Feb 15, 2012	54.44	54.66	54.21	54.26	17,614	-0.14(-0.25%)
Feb 14, 2012	54.20	54.40	54.10	54.40	20,921	+0.14(+0.25%)
Feb 13, 2012	54.17	54.33	54.12	54.26	27,648	+0.37(+0.68%)
Feb 10, 2012	53.90	53.91	53.75	53.89	21,856	-0.34(-0.63%)
Feb 09, 2012	54.01	54.27	53.84	54.24	20,895	+0.22(+0.41%)
Feb 08, 2012	54.09	54.24	53.84	54.01	99,401	+0.00(+0.00%)
Feb 07, 2012	53.85	54.14	53.82	54.01	17,515	+0.14(+0.26%)
Feb 06, 2012	53.70	53.93	53.66	53.88	19,671	+0.04(+0.07%)
Feb 03, 2012	53.81	53.98	53.67	53.84	15,378	+0.48(+0.90%)
Feb 02, 2012	53.38	53.40	53.22	53.36	52,020	+0.21(+0.39%)

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