Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.50	21.51	21.37	21.38	12,547	-0.11(-0.49%)
May 23, 2011	21.38	21.53	21.38	21.49	43,522	-0.31(-1.44%)
May 20, 2011	21.93	21.93	21.74	21.80	21,143	-0.14(-0.62%)
May 19, 2011	21.92	21.98	21.85	21.94	14,365	+0.06(+0.28%)
May 18, 2011	21.71	21.87	21.62	21.87	18,765	+0.15(+0.69%)
May 17, 2011	21.61	21.74	21.59	21.73	41,724	-0.01(-0.04%)
May 16, 2011	21.92	21.98	21.74	21.74	10,082	-0.31(-1.43%)
May 13, 2011	22.12	22.23	21.99	22.05	27,241	-0.15(-0.66%)
May 12, 2011	21.90	22.20	21.90	22.20	4,156	+0.25(+1.13%)
May 11, 2011	22.17	22.17	21.88	21.95	8,464	-0.18(-0.83%)
May 10, 2011	21.94	22.13	21.94	22.13	10,613	+0.25(+1.14%)
May 09, 2011	21.77	21.91	21.77	21.88	6,856	+0.18(+0.85%)
May 06, 2011	21.83	21.91	21.64	21.70	12,272	+0.10(+0.47%)
May 05, 2011	21.49	21.79	21.49	21.60	36,987	-0.05(-0.21%)
May 04, 2011	21.75	21.76	21.52	21.64	9,432	-0.06(-0.29%)
May 03, 2011	21.89	21.89	21.67	21.71	10,527	-0.21(-0.96%)

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