Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.53	20.57	20.42	20.47	1,612,974	-0.02(-0.10%)
May 23, 2011	20.53	20.60	20.40	20.49	2,980,696	-0.29(-1.41%)
May 20, 2011	20.97	20.97	20.65	20.78	2,284,582	-0.34(-1.60%)
May 19, 2011	20.95	21.13	20.85	21.12	2,217,897	+0.19(+0.93%)
May 18, 2011	20.79	20.96	20.75	20.92	1,373,768	+0.06(+0.28%)
May 17, 2011	20.71	20.92	20.69	20.86	1,642,001	+0.06(+0.28%)
May 16, 2011	20.73	20.92	20.71	20.80	4,375,845	-0.12(-0.56%)
May 13, 2011	21.15	21.18	20.77	20.92	1,614,263	-0.28(-1.32%)
May 12, 2011	20.97	21.25	20.92	21.20	1,370,429	+0.20(+0.96%)
May 11, 2011	21.13	21.19	20.93	21.00	1,736,562	-0.19(-0.89%)
May 10, 2011	20.99	21.21	20.95	21.19	1,934,627	+0.41(+1.95%)
May 09, 2011	20.71	20.82	20.63	20.78	2,445,125	+0.05(+0.25%)
May 06, 2011	20.94	21.04	20.64	20.73	2,649,115	+0.15(+0.75%)
May 05, 2011	20.67	20.75	20.51	20.58	5,616,763	-0.40(-1.90%)
May 04, 2011	21.12	21.12	20.91	20.98	3,971,318	-0.10(-0.49%)
May 03, 2011	21.03	21.14	20.90	21.08	4,636,901	+0.04(+0.21%)

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