Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	20.84	21.22	20.84	21.06	798,766	+0.04(+0.19%)
Jul 28, 2011	21.22	21.37	20.95	21.02	627,144	-0.16(-0.74%)
Jul 27, 2011	21.32	21.38	21.09	21.18	883,385	-0.23(-1.07%)
Jul 26, 2011	21.61	21.61	21.34	21.41	487,710	-0.11(-0.52%)
Jul 25, 2011	21.51	21.57	20.99	21.52	1,149,135	-0.12(-0.58%)
Jul 22, 2011	21.68	21.72	21.62	21.64	659,191	-0.29(-1.32%)
Jul 21, 2011	21.63	22.05	20.84	21.93	2,182,098	-0.20(-0.92%)
Jul 20, 2011	22.24	22.37	22.09	22.14	756,814	-0.04(-0.18%)
Jul 19, 2011	22.12	22.23	22.10	22.18	972,897	+0.03(+0.15%)
Jul 18, 2011	22.45	22.49	22.09	22.14	541,642	-0.34(-1.49%)
Jul 15, 2011	22.53	22.53	22.32	22.48	529,538	+0.03(+0.12%)
Jul 14, 2011	22.89	22.91	22.34	22.45	504,684	-0.27(-1.19%)
Jul 13, 2011	23.12	23.18	22.70	22.72	753,457	-0.29(-1.26%)
Jul 12, 2011	23.02	23.12	22.95	23.01	492,529	-0.02(-0.09%)
Jul 11, 2011	22.93	23.15	22.91	23.03	681,304	-0.12(-0.51%)
Jul 08, 2011	23.16	23.24	22.89	23.15	718,686	-0.35(-1.51%)
Jul 07, 2011	23.62	23.69	23.44	23.50	519,122	+0.03(+0.14%)
Jul 06, 2011	23.33	23.62	23.33	23.47	493,042	+0.07(+0.28%)
Jul 05, 2011	23.67	23.67	23.32	23.41	542,758	-0.28(-1.19%)
Jul 01, 2011	23.51	23.81	23.42	23.69	577,357	+0.34(+1.44%)
Jun 30, 2011	23.32	23.51	23.31	23.35	635,364	+0.12(+0.51%)
Jun 29, 2011	23.22	23.38	23.05	23.23	598,969	+0.16(+0.71%)
Jun 28, 2011	22.78	23.12	22.68	23.07	830,819	+0.40(+1.77%)
Jun 27, 2011	22.32	22.76	22.32	22.67	706,091	+0.26(+1.14%)
Jun 24, 2011	22.31	22.49	22.31	22.41	931,337	+0.17(+0.77%)
Jun 23, 2011	22.03	22.28	21.95	22.24	402,109	-0.03(-0.15%)
Jun 22, 2011	22.13	22.41	22.12	22.28	593,422	+0.08(+0.36%)
Jun 21, 2011	22.03	22.24	22.01	22.20	470,848	+0.23(+1.05%)
Jun 20, 2011	21.96	22.00	21.88	21.97	371,739	+0.20(+0.91%)
Jun 17, 2011	21.87	21.97	21.72	21.77	863,304	+0.06(+0.27%)
Jun 16, 2011	21.80	21.86	21.49	21.71	623,355	-0.07(-0.33%)
Jun 15, 2011	22.29	22.38	21.72	21.78	624,170	-0.72(-3.21%)
Jun 14, 2011	22.41	22.53	22.33	22.51	494,124	+0.30(+1.36%)
Jun 13, 2011	22.15	22.69	22.10	22.20	1,013,863	+0.07(+0.33%)
Jun 10, 2011	22.35	22.35	22.07	22.13	422,436	-0.24(-1.09%)
Jun 09, 2011	22.12	22.47	22.03	22.37	525,859	+0.31(+1.40%)
Jun 08, 2011	22.10	22.17	22.01	22.07	404,917	-0.06(-0.27%)
Jun 07, 2011	22.01	22.31	22.01	22.12	593,093	+0.35(+1.60%)
Jun 06, 2011	22.05	22.07	21.78	21.78	465,578	-0.33(-1.49%)
Jun 03, 2011	22.15	22.30	22.09	22.10	569,273	-0.60(-2.63%)
May 24, 2011	22.81	23.01	22.64	22.70	459,367	-0.15(-0.66%)
May 23, 2011	22.84	22.95	22.56	22.85	793,958	-0.23(-1.00%)
May 20, 2011	23.29	23.31	23.00	23.08	350,094	-0.21(-0.90%)
May 19, 2011	23.28	23.43	23.15	23.29	662,308	+0.14(+0.62%)
May 18, 2011	23.03	23.16	22.95	23.15	603,199	+0.18(+0.77%)
May 17, 2011	23.14	23.21	22.83	22.97	727,248	-0.26(-1.10%)
May 16, 2011	23.12	23.39	23.02	23.23	787,338	+0.00(+0.00%)
May 13, 2011	23.46	23.48	23.15	23.23	602,747	-0.20(-0.87%)
May 12, 2011	23.20	23.45	23.12	23.43	920,005	+0.21(+0.91%)
May 11, 2011	23.16	23.33	23.13	23.22	596,980	+0.08(+0.34%)
May 10, 2011	22.89	23.22	22.87	23.14	594,949	+0.33(+1.46%)
May 09, 2011	22.64	22.82	22.54	22.81	670,305	+0.18(+0.81%)
May 06, 2011	22.80	22.90	22.50	22.63	598,691	+0.09(+0.40%)
May 05, 2011	22.25	22.77	22.24	22.54	714,282	+0.11(+0.49%)
May 04, 2011	22.63	22.72	22.33	22.43	533,071	-0.16(-0.69%)
May 03, 2011	22.43	22.71	22.43	22.58	790,728	+0.02(+0.09%)

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