Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.98	20.00	19.88	19.89	15,774	-0.03(-0.14%)
May 23, 2011	19.90	19.98	19.86	19.92	13,497	-0.26(-1.30%)
May 20, 2011	20.29	20.29	20.11	20.18	24,292	-0.14(-0.71%)
May 19, 2011	20.34	20.36	20.21	20.32	69,141	+0.04(+0.22%)
May 18, 2011	20.06	20.28	20.06	20.28	34,885	+0.24(+1.20%)
May 17, 2011	20.02	20.08	19.91	20.04	52,519	-0.06(-0.30%)
May 16, 2011	20.24	20.33	20.08	20.10	29,174	-0.19(-0.95%)
May 13, 2011	20.46	20.47	20.27	20.29	13,353	-0.17(-0.85%)
May 12, 2011	20.28	20.47	20.21	20.47	14,884	+0.11(+0.54%)
May 11, 2011	20.54	20.54	20.26	20.36	19,421	-0.20(-0.98%)
May 10, 2011	20.46	20.57	20.45	20.56	53,504	+0.17(+0.85%)
May 09, 2011	20.29	20.42	20.27	20.39	18,921	+0.13(+0.66%)
May 06, 2011	20.39	20.45	20.19	20.25	69,765	+0.08(+0.42%)
May 05, 2011	20.19	20.34	20.12	20.17	24,968	-0.14(-0.67%)
May 04, 2011	20.47	20.47	20.20	20.30	141,043	-0.15(-0.73%)
May 03, 2011	20.55	20.56	20.36	20.45	58,391	-0.13(-0.63%)

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