Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	23.47	23.64	23.36	23.59	9,428,408	+0.28(+1.20%)
May 23, 2011	23.25	23.48	23.13	23.31	6,495,690	-0.10(-0.42%)
May 20, 2011	23.35	23.51	23.20	23.41	5,930,477	+0.04(+0.18%)
May 19, 2011	23.58	23.64	23.27	23.36	6,014,156	-0.16(-0.67%)
May 18, 2011	23.57	23.58	23.21	23.52	6,152,406	-0.07(-0.28%)
May 17, 2011	23.13	23.67	23.11	23.59	12,557,652	+0.69(+3.00%)
May 16, 2011	22.82	23.11	22.81	22.90	7,052,596	+0.09(+0.37%)
May 13, 2011	22.83	22.89	22.69	22.82	5,693,065	-0.03(-0.13%)
May 12, 2011	22.34	22.90	22.31	22.85	12,730,902	+0.47(+2.09%)
May 11, 2011	22.34	22.46	22.27	22.38	4,431,274	+0.01(+0.03%)
May 10, 2011	22.25	22.49	22.21	22.37	7,080,443	+0.22(+1.01%)
May 09, 2011	22.12	22.19	21.96	22.15	4,136,289	+0.09(+0.41%)
May 06, 2011	22.12	22.26	21.90	22.06	6,607,376	+0.08(+0.36%)
May 05, 2011	21.96	22.16	21.91	21.98	6,276,018	+0.01(+0.05%)
May 04, 2011	22.16	22.29	21.79	21.97	13,982,989	-0.19(-0.84%)
May 03, 2011	21.91	22.29	21.88	22.15	6,173,456	+0.25(+1.12%)

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