Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	53.85	53.97	53.22	53.51	1,462,374	-0.30(-0.56%)
May 23, 2011	54.26	54.31	53.51	53.81	1,508,322	-1.10(-1.99%)
May 20, 2011	55.10	55.21	54.71	54.91	1,277,987	-0.19(-0.34%)
May 19, 2011	55.12	55.51	54.77	55.09	967,271	+0.32(+0.59%)
May 18, 2011	54.73	54.90	54.46	54.77	1,081,446	+0.25(+0.46%)
May 17, 2011	55.03	55.15	54.01	54.52	1,045,207	-0.69(-1.26%)
May 16, 2011	55.50	55.63	55.13	55.22	1,008,147	-0.53(-0.96%)
May 13, 2011	56.56	56.88	55.62	55.75	857,995	-0.84(-1.48%)
May 12, 2011	56.27	56.95	55.99	56.59	591,416	+0.20(+0.35%)
May 11, 2011	56.70	57.00	56.14	56.39	499,353	-0.54(-0.95%)
May 10, 2011	56.78	57.29	56.78	56.93	712,680	+0.22(+0.39%)
May 09, 2011	56.69	57.00	56.45	56.71	624,474	-0.01(-0.02%)
May 06, 2011	56.54	57.57	56.41	56.72	1,213,138	+0.98(+1.75%)
May 05, 2011	55.82	56.59	55.60	55.74	947,066	-0.42(-0.74%)
May 04, 2011	56.69	57.11	56.09	56.16	1,058,282	-0.48(-0.85%)
May 03, 2011	56.16	57.07	56.16	56.64	827,705	+0.43(+0.77%)
May 02, 2011	56.13	56.25	56.10	56.21	894,636	+0.23(+0.41%)
Apr 29, 2011	55.40	56.12	55.35	55.98	1,130,012	+0.66(+1.19%)
Apr 28, 2011	54.96	55.53	54.84	55.32	880,501	+0.24(+0.43%)
Apr 27, 2011	55.19	55.54	54.87	55.08	977,450	-0.16(-0.29%)
Apr 26, 2011	55.01	55.64	54.83	55.24	1,093,250	+0.35(+0.63%)
Apr 25, 2011	55.37	55.37	54.48	54.89	925,453	-0.93(-1.67%)
Apr 21, 2011	56.61	57.21	54.78	55.82	1,705,201	-0.75(-1.33%)
Apr 20, 2011	56.14	56.93	56.14	56.58	1,137,738	+0.95(+1.71%)
Apr 19, 2011	55.31	55.87	55.30	55.63	881,304	+0.35(+0.64%)
Apr 18, 2011	55.36	55.46	54.74	55.27	1,113,206	-0.81(-1.44%)
Apr 15, 2011	55.42	56.13	55.05	56.08	1,526,025	+0.96(+1.74%)
Apr 14, 2011	55.47	55.51	54.46	55.12	1,732,309	-0.69(-1.24%)
Apr 13, 2011	56.54	56.67	55.46	55.82	1,410,760	-0.51(-0.90%)
Apr 12, 2011	56.47	56.88	56.29	56.32	1,140,773	-0.56(-0.98%)
Apr 11, 2011	56.46	57.12	56.46	56.88	1,030,645	+0.43(+0.77%)
Apr 08, 2011	57.47	57.75	56.23	56.45	1,335,899	-0.77(-1.35%)
Apr 07, 2011	56.96	57.61	56.89	57.22	833,128	+0.11(+0.19%)
Apr 06, 2011	57.37	57.43	56.74	57.11	529,792	-0.02(-0.03%)
Apr 05, 2011	57.16	57.23	56.78	57.13	1,004,160	-0.12(-0.22%)
Apr 04, 2011	57.83	57.84	57.06	57.25	968,212	-0.55(-0.95%)
Apr 01, 2011	57.76	58.06	57.63	57.80	988,577	+0.29(+0.51%)
Mar 31, 2011	56.52	57.57	56.37	57.51	1,267,635	+0.76(+1.34%)
Mar 30, 2011	56.57	56.84	56.38	56.75	574,331	+0.42(+0.74%)
Mar 29, 2011	56.13	56.41	55.89	56.33	1,132,988	+0.05(+0.09%)
Mar 28, 2011	56.39	56.63	56.28	56.28	966,832	-0.04(-0.08%)
Mar 25, 2011	56.51	56.70	56.09	56.32	1,002,931	-0.02(-0.03%)
Mar 24, 2011	56.43	56.58	56.13	56.34	792,405	+0.12(+0.21%)
Mar 23, 2011	56.10	56.39	55.69	56.22	830,412	-0.12(-0.20%)
Mar 22, 2011	56.46	56.69	56.33	56.34	885,748	-0.24(-0.42%)
Mar 21, 2011	56.95	56.98	56.46	56.58	952,739	+0.89(+1.59%)
Mar 18, 2011	55.59	55.88	55.22	55.69	1,502,090	+0.85(+1.55%)
Mar 17, 2011	54.95	55.11	54.45	54.84	1,318,629	+0.70(+1.29%)
Mar 16, 2011	55.04	55.43	53.71	54.14	1,356,409	-1.19(-2.15%)
Mar 15, 2011	54.98	55.71	54.76	55.33	1,140,507	-0.62(-1.11%)
Mar 14, 2011	55.99	56.73	55.62	55.95	880,088	-0.56(-0.99%)
Mar 11, 2011	55.89	56.77	55.48	56.51	940,455	+0.50(+0.89%)
Mar 10, 2011	56.69	57.13	55.72	56.01	1,119,280	-1.31(-2.29%)
Mar 09, 2011	57.07	57.66	56.84	57.32	982,579	+0.06(+0.11%)
Mar 08, 2011	56.55	57.52	56.32	57.26	926,419	+0.93(+1.65%)
Mar 07, 2011	57.27	57.63	56.08	56.33	581,968	-0.77(-1.35%)
Mar 04, 2011	57.36	57.64	56.53	57.10	1,187,019	-0.24(-0.42%)
Mar 03, 2011	56.70	57.66	56.62	57.34	677,860	+1.30(+2.33%)
Mar 02, 2011	55.95	56.22	55.51	56.04	930,388	+0.04(+0.06%)

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