Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	19.76	19.96	19.66	19.84	74,302	-0.10(-0.51%)
Jul 28, 2011	20.02	20.19	19.94	19.94	179,280	-0.06(-0.30%)
Jul 27, 2011	20.37	20.37	19.98	20.00	1,576,814	-0.48(-2.32%)
Jul 26, 2011	20.58	20.58	20.45	20.48	50,088	-0.10(-0.47%)
Jul 25, 2011	20.49	20.69	20.47	20.58	48,398	-0.10(-0.51%)
Jul 22, 2011	20.67	20.71	20.66	20.68	381,804	+0.06(+0.31%)
Jul 21, 2011	20.50	20.68	20.44	20.62	286,293	+0.19(+0.93%)
Jul 20, 2011	20.58	20.58	20.39	20.43	30,486	-0.09(-0.43%)
Jul 19, 2011	20.25	20.52	20.25	20.52	92,357	+0.43(+2.15%)
Jul 18, 2011	20.17	20.17	19.99	20.09	42,784	-0.08(-0.40%)
Jul 15, 2011	20.19	20.23	20.14	20.17	26,355	+0.10(+0.50%)
Jul 14, 2011	20.30	20.38	20.05	20.07	29,602	-0.19(-0.94%)
Jul 13, 2011	20.25	20.46	20.20	20.25	122,168	+0.09(+0.46%)
Jul 12, 2011	20.23	20.34	20.16	20.16	2,991,403	-0.12(-0.59%)
Jul 11, 2011	20.42	20.49	20.25	20.28	41,201	-0.37(-1.80%)
Jul 08, 2011	20.53	20.65	20.48	20.65	33,599	-0.10(-0.51%)
Jul 07, 2011	20.69	20.81	20.69	20.76	25,678	+0.24(+1.18%)
Jul 06, 2011	20.42	20.56	20.41	20.52	122,723	+0.08(+0.41%)
Jul 05, 2011	20.38	20.46	20.36	20.43	19,398	+0.05(+0.23%)
Jul 01, 2011	20.11	20.39	20.06	20.39	92,598	+0.28(+1.40%)
Jun 30, 2011	20.07	20.11	20.06	20.10	75,265	+0.21(+1.07%)
Jun 29, 2011	19.84	19.93	19.78	19.89	19,841	+0.15(+0.75%)
Jun 28, 2011	19.52	19.76	19.52	19.74	42,612	+0.31(+1.59%)
Jun 27, 2011	19.21	19.50	19.19	19.43	33,682	+0.21(+1.12%)
Jun 24, 2011	19.45	19.46	19.22	19.22	33,455	-0.27(-1.36%)
Jun 23, 2011	19.11	19.48	19.11	19.48	107,316	+0.03(+0.13%)
Jun 22, 2011	19.51	19.63	19.46	19.46	96,705	-0.12(-0.62%)
Jun 21, 2011	19.33	19.62	19.32	19.58	47,017	+0.36(+1.86%)
Jun 20, 2011	19.24	19.28	19.22	19.22	5,713	+0.09(+0.48%)
Jun 17, 2011	19.28	19.28	19.10	19.13	27,474	+0.02(+0.11%)
Jun 16, 2011	19.12	19.21	18.97	19.11	61,377	-0.01(-0.06%)
Jun 15, 2011	19.30	19.37	19.11	19.12	62,827	-0.33(-1.68%)
Jun 14, 2011	19.31	19.52	19.31	19.45	219,819	+0.30(+1.55%)
Jun 13, 2011	19.23	19.27	19.08	19.15	364,323	-0.05(-0.25%)
Jun 10, 2011	19.43	19.43	19.19	19.20	37,995	-0.29(-1.51%)
Jun 09, 2011	19.43	19.58	19.38	19.49	73,947	+0.12(+0.60%)
Jun 08, 2011	19.47	19.49	19.35	19.38	103,311	-0.12(-0.62%)
Jun 07, 2011	19.54	19.66	19.49	19.50	86,057	-0.02(-0.08%)
Jun 06, 2011	19.66	19.72	19.49	19.51	306,726	-0.23(-1.16%)
Jun 03, 2011	19.72	19.83	19.69	19.74	58,682	-0.15(-0.75%)
May 24, 2011	19.98	20.00	19.88	19.89	15,774	-0.03(-0.14%)
May 23, 2011	19.90	19.98	19.86	19.92	13,497	-0.26(-1.30%)
May 20, 2011	20.29	20.29	20.11	20.18	24,292	-0.14(-0.71%)
May 19, 2011	20.34	20.36	20.21	20.32	69,141	+0.04(+0.22%)
May 18, 2011	20.06	20.28	20.06	20.28	34,885	+0.24(+1.20%)
May 17, 2011	20.02	20.08	19.91	20.04	52,519	-0.06(-0.30%)
May 16, 2011	20.24	20.33	20.08	20.10	29,174	-0.19(-0.95%)
May 13, 2011	20.46	20.47	20.27	20.29	13,353	-0.17(-0.85%)
May 12, 2011	20.28	20.47	20.21	20.47	14,884	+0.11(+0.54%)
May 11, 2011	20.54	20.54	20.26	20.36	19,421	-0.20(-0.98%)
May 10, 2011	20.46	20.57	20.45	20.56	53,504	+0.17(+0.85%)
May 09, 2011	20.29	20.42	20.27	20.39	18,921	+0.13(+0.66%)
May 06, 2011	20.39	20.45	20.19	20.25	69,765	+0.08(+0.42%)
May 05, 2011	20.19	20.34	20.12	20.17	24,968	-0.14(-0.67%)
May 04, 2011	20.47	20.47	20.20	20.30	141,043	-0.15(-0.73%)
May 03, 2011	20.55	20.56	20.36	20.45	58,391	-0.13(-0.63%)

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