Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	57.28	57.28	56.83	56.83	11,590	-0.32(-0.56%)
May 23, 2011	57.09	57.31	56.99	57.15	21,534	-0.95(-1.63%)
May 20, 2011	58.37	58.46	58.06	58.10	26,870	-0.32(-0.55%)
May 19, 2011	58.52	58.58	58.05	58.42	15,348	+0.06(+0.10%)
May 18, 2011	57.80	58.44	57.80	58.36	17,221	+0.58(+1.01%)
May 17, 2011	57.54	57.78	57.12	57.78	110,934	-0.10(-0.17%)
May 16, 2011	58.60	58.75	57.76	57.88	22,895	-0.97(-1.64%)
May 13, 2011	59.45	59.46	58.84	58.84	11,629	-0.73(-1.22%)
May 12, 2011	58.93	59.64	58.76	59.57	15,638	+0.38(+0.64%)
May 11, 2011	59.53	59.74	58.82	59.19	19,554	-0.46(-0.77%)
May 10, 2011	59.34	59.73	59.21	59.65	10,620	+0.52(+0.89%)
May 09, 2011	58.93	59.28	58.79	59.13	14,961	+0.26(+0.44%)
May 06, 2011	59.26	59.58	58.70	58.87	56,455	+0.20(+0.34%)
May 05, 2011	58.71	59.22	58.48	58.67	14,789	-0.24(-0.42%)
May 04, 2011	59.15	59.21	58.44	58.91	16,979	-0.15(-0.26%)
May 03, 2011	59.39	59.39	58.71	59.06	9,108	-0.33(-0.56%)

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