Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.10	18.18	18.05	18.12	19,069	+0.12(+0.68%)
May 23, 2011	18.03	18.07	17.94	17.99	25,654	-0.44(-2.39%)
May 20, 2011	18.34	18.52	18.34	18.43	24,094	-0.18(-0.98%)
May 19, 2011	18.53	18.64	18.48	18.62	26,084	+0.03(+0.18%)
May 18, 2011	18.45	18.60	18.45	18.58	17,820	+0.14(+0.74%)
May 17, 2011	18.24	18.45	18.22	18.44	13,042	+0.16(+0.86%)
May 16, 2011	18.42	18.67	18.29	18.29	304,383	-0.16(-0.85%)
May 13, 2011	18.71	18.71	18.36	18.44	51,182	-0.32(-1.71%)
May 12, 2011	18.63	18.79	18.63	18.77	35,687	+0.03(+0.18%)
May 11, 2011	18.92	19.01	18.61	18.73	14,519	-0.36(-1.86%)
May 10, 2011	18.89	19.11	18.89	19.09	41,544	+0.20(+1.05%)
May 09, 2011	18.77	18.89	18.75	18.89	47,082	+0.14(+0.75%)
May 06, 2011	18.95	19.07	18.73	18.75	16,129	-0.01(-0.06%)
May 05, 2011	18.86	18.92	18.68	18.76	26,738	-0.35(-1.83%)
May 04, 2011	19.28	19.29	19.05	19.11	20,717	-0.18(-0.95%)
May 03, 2011	19.32	19.41	19.20	19.29	39,297	-0.18(-0.91%)

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