Date	Open	High	Low	Close	Volume	Change (%)
May 23, 2011	21.24	21.16	21.16	21.16	1,891	-0.34(-1.60%)
May 20, 2011	21.64	21.64	21.51	21.51	932	-0.08(-0.36%)
May 18, 2011	21.57	21.58	21.58	21.58	1,080	+0.37(+1.73%)
May 17, 2011	21.32	21.32	21.22	21.22	5,814	-0.27(-1.27%)
May 16, 2011	21.49	21.55	21.49	21.49	1,567	-0.07(-0.34%)
May 13, 2011	21.80	21.81	21.57	21.57	1,175	-0.11(-0.49%)
May 12, 2011	21.56	21.67	21.56	21.67	932	-0.02(-0.09%)
May 11, 2011	21.86	21.86	21.61	21.69	30,540	-0.31(-1.41%)
May 10, 2011	21.92	22.01	21.92	22.00	15,544	+0.21(+0.96%)
May 09, 2011	21.60	21.80	21.60	21.79	60,428	+0.17(+0.81%)
May 06, 2011	21.76	21.86	21.53	21.62	171,584	+0.07(+0.32%)
May 05, 2011	21.67	21.71	21.55	21.55	5,058	-0.06(-0.28%)
May 04, 2011	21.79	21.79	21.61	21.61	1,261	-0.22(-1.01%)
May 03, 2011	21.94	21.94	21.83	21.83	2,572	-0.27(-1.24%)

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