Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.83	20.85	20.79	20.82	37,503	+0.05(+0.22%)
Apr 28, 2011	20.58	20.78	20.58	20.77	82,743	+0.15(+0.74%)
Apr 27, 2011	20.61	20.63	20.53	20.62	45,459	+0.13(+0.62%)
Apr 26, 2011	20.41	20.52	20.38	20.49	266,818	+0.11(+0.56%)
Apr 25, 2011	20.36	20.38	20.27	20.38	58,609	-0.05(-0.27%)
Apr 21, 2011	20.49	20.49	20.40	20.43	191,013	+0.05(+0.25%)
Apr 20, 2011	20.43	20.44	20.37	20.38	165,523	+0.20(+1.00%)
Apr 19, 2011	20.18	20.18	20.07	20.18	238,473	+0.07(+0.33%)
Apr 18, 2011	20.17	20.17	20.01	20.11	101,370	-0.17(-0.85%)
Apr 15, 2011	20.20	20.32	20.16	20.28	51,222	+0.07(+0.36%)
Apr 14, 2011	20.06	20.23	20.04	20.21	196,646	+0.10(+0.49%)
Apr 13, 2011	20.12	20.14	20.06	20.11	78,788	+0.03(+0.16%)
Apr 12, 2011	20.06	20.10	19.97	20.08	193,914	+0.04(+0.18%)
Apr 11, 2011	20.09	20.13	20.04	20.04	353,503	+0.05(+0.27%)
Apr 08, 2011	20.18	20.18	19.92	19.99	2,060,284	-0.10(-0.51%)
Apr 07, 2011	20.17	20.17	20.00	20.09	44,106	-0.05(-0.24%)
Apr 06, 2011	20.23	20.23	20.11	20.14	53,854	-0.00(-0.01%)
Apr 05, 2011	20.09	20.18	20.08	20.14	53,192	+0.03(+0.15%)
Apr 04, 2011	20.09	20.12	20.06	20.11	32,329	+0.05(+0.22%)

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