Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	56.41	56.65	56.10	56.28	114,856	-0.22(-0.39%)
May 30, 2012	56.75	56.75	56.37	56.50	21,310	-0.67(-1.18%)
May 29, 2012	57.53	57.71	56.99	57.17	11,818	+0.02(+0.04%)
May 25, 2012	57.09	57.28	56.24	57.15	43,709	+0.10(+0.18%)
May 24, 2012	57.33	57.33	56.78	57.05	52,406	+0.16(+0.28%)
May 23, 2012	57.05	57.05	56.60	56.89	45,571	-0.61(-1.06%)
May 22, 2012	57.98	58.19	57.50	57.50	76,581	-0.74(-1.27%)
May 21, 2012	58.26	58.46	58.19	58.24	11,679	+0.29(+0.50%)
May 18, 2012	58.23	58.52	57.93	57.95	79,687	-0.07(-0.12%)
May 17, 2012	58.18	58.35	57.92	58.02	88,377	-0.22(-0.38%)
May 16, 2012	58.03	58.30	58.00	58.24	75,174	+0.09(+0.15%)
May 15, 2012	58.17	58.41	58.09	58.15	24,447	+0.25(+0.43%)
May 14, 2012	58.19	58.19	57.89	57.90	33,942	-0.62(-1.06%)
May 11, 2012	58.72	59.13	58.52	58.52	34,635	-0.72(-1.22%)
May 10, 2012	59.14	59.41	59.14	59.24	18,720	+0.08(+0.14%)
May 09, 2012	59.00	59.21	58.78	59.16	25,319	-0.31(-0.52%)
May 08, 2012	59.52	59.52	58.98	59.47	19,517	-0.27(-0.45%)
May 07, 2012	59.47	59.83	59.41	59.74	26,633	-0.05(-0.08%)
May 04, 2012	60.00	60.15	59.41	59.79	27,895	-0.41(-0.68%)
May 03, 2012	60.23	60.26	60.08	60.20	30,615	-0.24(-0.40%)
May 02, 2012	60.78	60.94	60.37	60.44	43,473	-0.68(-1.11%)
May 01, 2012	60.91	61.21	60.86	61.12	29,385	+0.16(+0.26%)
Apr 30, 2012	60.54	60.97	60.54	60.96	9,475	+0.28(+0.47%)
Apr 27, 2012	60.58	60.77	60.46	60.68	13,204	+0.06(+0.09%)
Apr 26, 2012	60.72	60.85	60.51	60.62	21,631	+0.00(+0.01%)
Apr 25, 2012	60.35	60.64	60.31	60.62	19,439	+0.29(+0.47%)
Apr 24, 2012	60.47	60.59	60.15	60.33	11,334	-0.06(-0.10%)
Apr 23, 2012	60.12	60.40	60.12	60.39	12,214	-0.32(-0.53%)
Apr 20, 2012	60.71	60.77	60.51	60.71	8,180	+0.27(+0.45%)
Apr 19, 2012	60.68	60.68	60.30	60.44	16,121	+0.24(+0.40%)
Apr 18, 2012	60.51	60.72	60.04	60.20	197,942	-0.57(-0.94%)
Apr 17, 2012	60.83	60.97	60.68	60.77	8,461	+0.19(+0.32%)
Apr 16, 2012	60.91	60.91	60.45	60.58	23,533	-0.68(-1.11%)
Apr 13, 2012	61.51	61.59	61.12	61.26	27,473	-0.37(-0.60%)
Apr 12, 2012	61.08	61.79	61.08	61.62	8,406	+0.77(+1.27%)
Apr 11, 2012	60.84	60.94	60.64	60.85	33,298	+0.23(+0.38%)
Apr 10, 2012	61.29	61.38	60.57	60.62	29,581	-0.70(-1.14%)
Apr 09, 2012	61.16	61.46	61.14	61.32	17,034	-0.25(-0.41%)
Apr 05, 2012	61.32	61.59	61.05	61.57	34,455	+0.53(+0.87%)
Apr 04, 2012	61.45	61.79	60.94	61.04	73,892	-0.79(-1.27%)
Apr 03, 2012	62.30	62.35	61.71	61.83	64,235	-0.55(-0.89%)
Apr 02, 2012	61.08	62.38	61.07	62.38	78,053	+1.07(+1.74%)
Mar 30, 2012	61.47	61.60	60.79	61.31	23,849	+0.57(+0.94%)
Mar 29, 2012	61.60	61.67	60.62	60.74	104,138	-0.80(-1.30%)
Mar 28, 2012	61.96	61.96	61.33	61.54	44,881	-0.80(-1.28%)
Mar 27, 2012	62.66	62.66	62.20	62.34	20,744	+0.05(+0.08%)
Mar 26, 2012	62.47	62.47	62.15	62.29	31,808	+0.25(+0.40%)
Mar 23, 2012	61.90	62.18	61.70	62.04	18,577	+0.41(+0.67%)
Mar 22, 2012	61.61	61.72	61.43	61.63	31,611	-0.51(-0.82%)
Mar 21, 2012	62.27	62.55	62.12	62.14	14,896	-0.10(-0.16%)
Mar 20, 2012	62.49	62.54	62.14	62.24	77,447	-0.48(-0.76%)
Mar 19, 2012	62.78	62.89	62.49	62.72	42,920	-0.08(-0.14%)
Mar 16, 2012	62.33	62.81	62.29	62.80	24,973	+0.55(+0.88%)
Mar 15, 2012	62.29	62.42	61.95	62.25	17,722	+0.01(+0.02%)
Mar 14, 2012	62.66	62.83	62.22	62.24	12,366	-0.52(-0.82%)
Mar 13, 2012	62.67	63.02	62.49	62.76	31,979	+0.09(+0.14%)
Mar 12, 2012	62.46	62.76	62.28	62.67	18,122	-0.27(-0.43%)
Mar 09, 2012	62.62	63.11	62.46	62.94	30,582	+0.11(+0.18%)
Mar 08, 2012	62.73	62.92	62.58	62.83	19,483	+0.52(+0.83%)
Mar 07, 2012	62.00	62.38	61.79	62.31	5,010,288	+0.09(+0.14%)
Mar 06, 2012	62.38	62.66	62.15	62.22	25,609	-1.17(-1.85%)
Mar 05, 2012	63.66	63.66	63.22	63.39	42,783	-0.32(-0.50%)
Mar 02, 2012	64.12	64.17	63.57	63.71	22,543	-0.82(-1.27%)

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