Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.69	20.87	20.59	20.69	99,906	+0.05(+0.22%)
May 23, 2011	20.56	20.72	20.55	20.64	125,941	-0.15(-0.74%)
May 20, 2011	20.69	20.88	20.60	20.79	120,614	+0.10(+0.50%)
May 19, 2011	20.49	20.78	20.49	20.69	187,106	+0.27(+1.32%)
May 18, 2011	20.14	20.60	20.14	20.42	256,671	+0.28(+1.37%)
May 17, 2011	20.22	20.42	19.93	20.15	178,668	-0.10(-0.48%)
May 16, 2011	20.62	20.62	20.24	20.24	173,990	-0.35(-1.72%)
May 13, 2011	20.80	21.03	20.51	20.60	208,928	-0.20(-0.96%)
May 12, 2011	21.56	21.56	20.66	20.79	561,519	-0.75(-3.46%)
May 11, 2011	21.86	22.01	21.49	21.54	130,581	-0.31(-1.41%)
May 10, 2011	21.98	22.07	21.76	21.85	73,352	-0.10(-0.47%)
May 09, 2011	21.74	22.15	21.74	21.95	149,823	+0.24(+1.10%)
May 06, 2011	21.22	22.18	21.22	21.71	174,512	+0.54(+2.55%)
May 05, 2011	21.19	21.52	20.95	21.17	169,680	-0.11(-0.51%)
May 04, 2011	21.62	21.85	21.12	21.28	177,756	-0.51(-2.33%)
May 03, 2011	21.80	21.91	21.65	21.79	187,913	-0.15(-0.70%)

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