Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	55.15	55.42	54.62	54.88	105,495	-0.05(-0.09%)
May 30, 2012	55.23	55.43	54.92	54.92	34,152	-0.74(-1.33%)
May 29, 2012	55.68	56.26	55.18	55.66	29,298	+0.42(+0.76%)
May 25, 2012	55.35	55.78	55.01	55.24	41,925	-0.34(-0.60%)
May 24, 2012	55.51	55.89	54.81	55.58	50,141	-0.02(-0.03%)
May 23, 2012	54.79	55.59	54.36	55.59	82,688	+0.58(+1.05%)
May 22, 2012	55.86	56.01	54.79	55.02	47,755	-0.85(-1.53%)
May 21, 2012	54.98	55.93	54.69	55.87	54,786	+1.17(+2.14%)
May 18, 2012	54.82	55.11	54.48	54.70	82,167	-0.22(-0.40%)
May 17, 2012	55.70	55.76	54.92	54.92	63,217	-0.52(-0.93%)
May 16, 2012	56.13	56.16	55.40	55.44	46,990	-0.33(-0.58%)
May 15, 2012	55.65	56.30	55.52	55.77	56,876	+0.27(+0.48%)
May 14, 2012	55.84	56.06	55.48	55.50	78,326	-0.60(-1.08%)
May 11, 2012	56.10	56.33	55.72	56.10	67,606	-0.23(-0.41%)
May 10, 2012	56.75	56.75	56.12	56.33	26,533	+0.00(+0.00%)
May 09, 2012	56.34	56.69	56.15	56.33	73,938	-0.55(-0.96%)
May 08, 2012	56.51	57.05	56.51	56.88	58,086	+0.19(+0.34%)
May 07, 2012	56.47	56.90	56.45	56.69	56,884	+0.07(+0.12%)
May 04, 2012	57.08	57.12	56.50	56.62	91,519	-0.53(-0.92%)
May 03, 2012	57.97	58.06	57.02	57.15	62,030	-0.77(-1.32%)
May 02, 2012	57.11	57.92	56.68	57.92	60,607	+0.67(+1.17%)
May 01, 2012	58.20	58.89	57.14	57.24	45,136	-1.03(-1.76%)
Apr 30, 2012	59.22	59.31	58.23	58.27	63,247	-0.95(-1.60%)
Apr 27, 2012	58.22	59.42	57.98	59.22	46,669	+0.95(+1.63%)
Apr 26, 2012	57.59	58.38	57.59	58.27	27,684	+0.63(+1.10%)
Apr 25, 2012	57.69	58.59	57.33	57.64	56,482	+0.51(+0.89%)
Apr 24, 2012	56.76	57.48	56.50	57.13	48,079	+0.51(+0.90%)
Apr 23, 2012	56.85	56.96	56.22	56.62	61,747	-0.62(-1.09%)
Apr 20, 2012	57.82	58.27	57.15	57.24	92,628	+0.08(+0.13%)
Apr 19, 2012	57.78	58.07	57.13	57.17	72,959	-0.48(-0.83%)
Apr 18, 2012	58.38	58.41	57.43	57.65	44,965	-0.84(-1.44%)
Apr 17, 2012	58.28	59.02	58.14	58.49	33,596	+0.75(+1.30%)
Apr 16, 2012	57.85	58.26	57.09	57.74	35,089	+0.12(+0.20%)
Apr 13, 2012	58.02	58.34	57.48	57.63	37,064	-0.64(-1.10%)
Apr 12, 2012	57.67	58.58	57.43	58.27	28,591	+0.55(+0.95%)
Apr 11, 2012	57.54	57.82	57.25	57.72	55,149	+0.61(+1.07%)
Apr 10, 2012	57.84	57.94	56.98	57.11	69,719	-0.70(-1.21%)
Apr 09, 2012	58.46	58.69	57.81	57.81	53,733	-1.45(-2.44%)
Apr 05, 2012	59.31	59.46	59.00	59.26	47,208	-0.10(-0.16%)
Apr 04, 2012	58.76	59.42	58.37	59.35	92,044	+0.22(+0.37%)
Apr 03, 2012	59.34	59.34	58.81	59.13	63,924	-0.18(-0.31%)
Apr 02, 2012	59.14	59.41	58.80	59.32	87,454	+0.29(+0.49%)
Mar 30, 2012	59.45	59.46	59.03	59.03	59,717	-0.13(-0.23%)
Mar 29, 2012	59.15	59.40	58.79	59.16	74,449	-0.22(-0.37%)
Mar 28, 2012	60.36	60.40	59.14	59.38	224,243	+1.57(+2.72%)
Mar 27, 2012	58.21	58.29	57.76	57.81	75,253	-0.33(-0.56%)
Mar 26, 2012	58.01	58.20	57.71	58.14	87,562	+0.57(+0.98%)
Mar 23, 2012	57.21	57.57	56.59	57.57	45,259	+0.41(+0.72%)
Mar 22, 2012	56.93	57.16	56.68	57.16	41,847	-0.03(-0.05%)
Mar 21, 2012	57.46	57.62	57.08	57.19	37,303	-0.04(-0.07%)
Mar 20, 2012	57.43	57.56	56.95	57.22	38,505	-0.35(-0.62%)
Mar 19, 2012	57.46	57.77	57.27	57.58	82,382	+0.35(+0.62%)
Mar 16, 2012	57.87	57.97	57.21	57.22	96,670	-0.59(-1.01%)
Mar 15, 2012	57.80	57.86	57.32	57.81	42,181	+0.10(+0.17%)
Mar 14, 2012	58.90	58.90	57.58	57.71	33,901	-1.11(-1.89%)
Mar 13, 2012	57.73	58.88	57.62	58.83	71,179	+1.13(+1.96%)
Mar 12, 2012	57.24	57.76	56.78	57.69	54,993	+0.66(+1.16%)
Mar 09, 2012	56.58	57.17	56.41	57.03	147,970	+0.49(+0.86%)
Mar 08, 2012	56.58	56.81	56.13	56.54	67,231	+0.48(+0.85%)
Mar 07, 2012	56.07	56.20	55.85	56.07	68,782	+0.13(+0.24%)
Mar 06, 2012	56.09	56.39	55.87	55.93	52,980	-0.57(-1.00%)
Mar 05, 2012	56.38	56.55	55.94	56.50	35,379	+0.07(+0.12%)
Mar 02, 2012	57.43	57.82	56.07	56.43	69,229	-1.02(-1.77%)

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