Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.28	21.32	21.17	21.25	1,259,327	+0.12(+0.56%)
May 23, 2011	21.06	21.19	21.02	21.13	1,637,335	-0.38(-1.76%)
May 20, 2011	21.58	21.65	21.41	21.51	417,894	-0.17(-0.79%)
May 19, 2011	21.66	21.69	21.53	21.68	304,990	+0.12(+0.57%)
May 18, 2011	21.42	21.63	21.38	21.56	384,452	+0.17(+0.80%)
May 17, 2011	21.13	21.39	21.09	21.39	1,346,276	+0.15(+0.73%)
May 16, 2011	21.24	21.41	21.18	21.23	492,833	-0.04(-0.20%)
May 13, 2011	21.54	21.54	21.12	21.27	557,040	-0.26(-1.19%)
May 12, 2011	21.38	21.56	21.25	21.53	893,978	+0.12(+0.55%)
May 11, 2011	21.69	21.69	21.30	21.41	559,519	-0.35(-1.62%)
May 10, 2011	21.79	21.84	21.72	21.76	1,316,838	+0.05(+0.25%)
May 09, 2011	21.62	21.76	21.52	21.71	508,798	+0.09(+0.42%)
May 06, 2011	21.78	21.89	21.49	21.62	576,196	+0.19(+0.87%)
May 05, 2011	21.56	21.64	21.33	21.43	1,195,728	-0.26(-1.18%)
May 04, 2011	22.03	22.03	21.64	21.69	737,158	-0.25(-1.12%)
May 03, 2011	22.04	22.10	21.81	21.94	561,666	-0.21(-0.93%)

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