Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	55.23	55.53	54.78	54.81	1,274,951	-0.55(-1.00%)
May 30, 2012	55.66	55.97	55.37	55.37	723,992	-0.60(-1.07%)
May 29, 2012	56.05	56.05	55.55	55.97	362,407	+0.42(+0.76%)
May 25, 2012	55.25	55.67	55.06	55.55	315,924	+0.10(+0.18%)
May 24, 2012	55.15	55.50	54.96	55.45	506,681	+0.24(+0.44%)
May 23, 2012	54.93	55.27	54.70	55.20	617,427	+0.05(+0.09%)
May 22, 2012	54.83	55.47	54.78	55.15	544,204	+0.32(+0.59%)
May 21, 2012	54.56	54.99	54.39	54.83	757,419	+0.19(+0.35%)
May 18, 2012	55.44	55.44	54.51	54.64	950,149	-0.70(-1.27%)
May 17, 2012	55.77	55.86	55.33	55.34	1,151,453	-0.25(-0.45%)
May 16, 2012	55.14	55.87	54.98	55.59	756,907	+0.54(+0.98%)
May 15, 2012	55.35	55.50	54.82	55.05	706,047	-0.12(-0.22%)
May 14, 2012	54.76	55.72	54.61	55.17	683,058	+0.21(+0.38%)
May 11, 2012	55.02	55.47	54.88	54.97	714,781	-0.16(-0.30%)
May 10, 2012	54.49	55.15	54.42	55.13	980,155	+0.87(+1.60%)
May 09, 2012	53.87	54.46	53.72	54.26	673,854	+0.08(+0.15%)
May 08, 2012	53.98	54.22	53.84	54.18	644,442	-0.02(-0.04%)
May 07, 2012	54.04	54.48	54.04	54.21	568,980	+0.14(+0.26%)
May 04, 2012	54.96	55.16	53.91	54.06	1,278,756	-0.99(-1.80%)
May 03, 2012	56.05	56.10	55.03	55.05	1,211,361	-1.15(-2.04%)
May 02, 2012	56.50	56.76	56.11	56.20	768,735	-0.50(-0.88%)
May 01, 2012	56.71	57.14	56.32	56.70	697,656	+0.04(+0.08%)
Apr 30, 2012	56.49	56.68	56.20	56.65	770,138	+0.19(+0.33%)
Apr 27, 2012	56.61	56.78	56.43	56.47	434,055	-0.02(-0.04%)
Apr 26, 2012	55.94	56.50	55.77	56.49	685,247	+0.48(+0.85%)
Apr 25, 2012	56.06	56.13	55.77	56.01	945,945	+0.27(+0.49%)
Apr 24, 2012	55.69	56.25	55.63	55.74	501,521	+0.23(+0.41%)
Apr 23, 2012	56.46	56.51	55.31	55.52	1,419,012	-1.38(-2.43%)
Apr 20, 2012	56.45	57.24	56.44	56.90	750,050	+0.51(+0.91%)
Apr 19, 2012	56.58	56.72	56.23	56.38	496,524	-0.16(-0.28%)
Apr 18, 2012	56.68	56.79	56.33	56.54	495,914	-0.28(-0.49%)
Apr 17, 2012	56.34	56.91	56.25	56.82	797,659	+0.75(+1.33%)
Apr 16, 2012	56.58	56.67	56.06	56.07	906,134	-0.31(-0.56%)
Apr 13, 2012	56.45	56.88	56.38	56.38	1,034,272	-0.09(-0.15%)
Apr 12, 2012	56.77	56.77	56.30	56.47	1,101,462	-0.30(-0.53%)
Apr 11, 2012	57.61	57.71	56.61	56.77	828,642	-0.37(-0.65%)
Apr 10, 2012	57.45	57.71	57.09	57.14	996,087	-0.34(-0.59%)
Apr 09, 2012	57.24	57.67	57.23	57.48	705,042	-0.23(-0.41%)
Apr 05, 2012	57.73	57.86	57.51	57.71	797,858	-0.01(-0.02%)
Apr 04, 2012	57.64	58.04	57.58	57.73	1,148,109	-0.20(-0.34%)
Apr 03, 2012	57.96	58.32	57.56	57.93	958,058	-0.01(-0.02%)
Apr 02, 2012	57.88	58.09	57.49	57.94	803,266	+0.06(+0.10%)
Mar 30, 2012	57.98	58.10	57.47	57.88	754,306	+0.19(+0.33%)
Mar 29, 2012	57.47	57.69	57.12	57.69	848,540	+0.06(+0.10%)
Mar 28, 2012	57.44	57.66	57.31	57.64	634,225	+0.26(+0.46%)
Mar 27, 2012	56.97	57.39	56.97	57.37	686,526	+0.32(+0.56%)
Mar 26, 2012	57.14	57.44	56.87	57.05	895,889	+0.14(+0.24%)
Mar 23, 2012	56.63	57.09	56.56	56.92	1,060,790	+0.36(+0.63%)
Mar 22, 2012	56.12	56.58	55.88	56.56	1,063,835	+0.22(+0.39%)
Mar 21, 2012	56.21	56.60	55.81	56.34	1,375,027	+0.05(+0.09%)
Mar 20, 2012	55.49	56.37	55.34	56.29	1,095,491	+0.41(+0.73%)
Mar 19, 2012	55.28	56.01	55.13	55.89	1,030,051	+0.33(+0.60%)
Mar 16, 2012	55.29	55.70	55.08	55.55	1,601,122	+0.23(+0.41%)
Mar 15, 2012	54.36	55.33	54.18	55.32	1,520,909	+1.26(+2.33%)
Mar 14, 2012	54.14	54.35	53.91	54.06	926,332	-0.21(-0.39%)
Mar 13, 2012	53.79	54.31	53.61	54.28	745,632	+0.59(+1.10%)
Mar 12, 2012	53.23	53.90	53.02	53.69	1,202,538	+0.01(+0.03%)
Mar 09, 2012	53.72	53.81	53.31	53.67	757,231	-0.09(-0.17%)
Mar 08, 2012	53.72	53.86	53.28	53.77	1,028,829	+0.28(+0.53%)
Mar 07, 2012	53.54	53.72	53.04	53.48	1,587,848	+0.21(+0.40%)
Mar 06, 2012	54.01	54.16	53.25	53.27	1,330,194	-1.15(-2.11%)
Mar 05, 2012	54.19	54.41	54.04	54.41	1,117,055	+0.09(+0.17%)
Mar 02, 2012	54.06	54.32	53.79	54.32	1,188,042	+0.36(+0.66%)

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