Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.06	21.17	20.82	20.94	19,555	-0.47(-2.21%)
May 23, 2011	21.58	21.58	21.37	21.41	18,887	-0.44(-2.03%)
May 20, 2011	22.06	22.06	21.73	21.85	32,083	-0.45(-2.03%)
May 19, 2011	22.24	22.31	21.98	22.31	31,564	-0.52(-2.28%)
May 18, 2011	22.47	22.83	22.47	22.83	50,770	+0.54(+2.42%)
May 17, 2011	22.41	22.43	22.24	22.29	32,860	+0.28(+1.29%)
May 16, 2011	21.84	22.08	21.84	22.01	37,584	+0.37(+1.70%)
May 13, 2011	22.05	22.05	21.55	21.64	34,996	+0.13(+0.62%)
May 12, 2011	21.50	21.65	21.39	21.50	44,808	-0.29(-1.34%)
May 11, 2011	21.63	21.89	21.36	21.80	92,902	-0.36(-1.62%)
May 10, 2011	21.98	22.18	21.98	22.16	41,247	+0.19(+0.86%)
May 09, 2011	22.19	22.19	21.91	21.97	27,717	-0.23(-1.02%)
May 06, 2011	22.02	22.31	21.82	22.19	95,055	+0.86(+4.03%)
May 05, 2011	20.70	21.54	20.65	21.33	156,786	+1.00(+4.93%)
May 04, 2011	20.66	20.66	20.31	20.33	18,575	-0.66(-3.15%)
May 03, 2011	21.11	21.11	20.86	20.99	42,691	+0.25(+1.18%)

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