Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	22.77	22.82	22.65	22.72	9,351,250	-0.13(-0.55%)
Jul 28, 2011	22.97	22.97	22.82	22.84	8,772,536	+0.02(+0.08%)
Jul 27, 2011	22.88	23.17	22.72	22.82	14,443,586	-0.03(-0.15%)
Jul 26, 2011	22.87	22.93	22.77	22.86	6,522,672	-0.03(-0.12%)
Jul 25, 2011	22.79	22.98	22.75	22.89	6,275,982	-0.15(-0.67%)
Jul 22, 2011	23.17	23.19	23.00	23.04	5,330,445	-0.12(-0.54%)
Jul 21, 2011	22.99	23.20	22.96	23.16	7,661,170	+0.27(+1.19%)
Jul 20, 2011	22.85	22.96	22.79	22.89	5,901,513	+0.03(+0.15%)
Jul 19, 2011	22.79	22.92	22.61	22.86	5,126,140	+0.15(+0.68%)
Jul 18, 2011	22.77	22.81	22.66	22.70	6,013,035	-0.13(-0.57%)
Jul 15, 2011	22.79	22.88	22.73	22.83	5,996,822	+0.07(+0.30%)
Jul 14, 2011	22.86	22.95	22.75	22.77	5,734,437	-0.12(-0.55%)
Jul 13, 2011	23.01	23.03	22.86	22.89	5,834,718	+0.00(+0.00%)
Jul 12, 2011	22.72	23.00	22.71	22.89	6,846,263	+0.10(+0.45%)
Jul 11, 2011	22.74	22.89	22.65	22.79	7,322,754	-0.10(-0.42%)
Jul 08, 2011	22.86	22.94	22.81	22.89	5,506,370	-0.10(-0.42%)
Jul 07, 2011	23.16	23.19	22.86	22.98	7,624,682	-0.09(-0.39%)
Jul 06, 2011	23.04	23.15	22.90	23.07	5,331,167	+0.03(+0.12%)
Jul 05, 2011	23.07	23.16	22.97	23.04	6,323,896	-0.07(-0.32%)
Jul 01, 2011	22.94	23.14	22.88	23.12	5,537,175	+0.19(+0.84%)
Jun 30, 2011	22.90	22.94	22.74	22.93	6,135,647	+0.08(+0.35%)
Jun 29, 2011	22.83	22.88	22.76	22.85	6,803,928	+0.02(+0.07%)
Jun 28, 2011	22.68	22.85	22.60	22.83	7,492,178	+0.24(+1.06%)
Jun 27, 2011	22.41	22.66	22.41	22.59	5,601,292	+0.20(+0.91%)
Jun 24, 2011	22.45	22.59	22.39	22.39	7,516,240	+0.05(+0.23%)
Jun 23, 2011	22.36	22.38	22.17	22.33	8,148,010	-0.12(-0.56%)
Jun 22, 2011	22.61	22.61	22.45	22.46	5,178,064	-0.17(-0.75%)
Jun 21, 2011	22.74	22.74	22.51	22.63	11,746,888	-0.08(-0.35%)
Jun 20, 2011	22.68	22.71	22.65	22.71	4,859,618	+0.11(+0.48%)
Jun 17, 2011	22.65	22.77	22.56	22.60	8,196,960	+0.09(+0.38%)
Jun 16, 2011	22.33	22.59	22.33	22.52	5,622,625	+0.19(+0.84%)
Jun 15, 2011	22.43	22.61	22.28	22.33	6,181,504	-0.19(-0.83%)
Jun 14, 2011	22.63	22.64	22.46	22.52	5,420,263	+0.01(+0.03%)
Jun 13, 2011	22.39	22.60	22.32	22.51	5,135,750	+0.18(+0.81%)
Jun 10, 2011	22.36	22.47	22.31	22.33	5,201,041	-0.11(-0.51%)
Jun 09, 2011	22.48	22.51	22.32	22.44	5,171,242	-0.03(-0.13%)
Jun 08, 2011	22.38	22.52	22.28	22.47	7,255,328	+0.14(+0.61%)
Jun 07, 2011	22.38	22.52	22.33	22.33	5,475,664	+0.00(+0.00%)
Jun 06, 2011	22.49	22.49	22.24	22.33	4,662,963	-0.02(-0.08%)
Jun 03, 2011	22.34	22.49	22.27	22.35	5,455,954	-0.42(-1.85%)
May 24, 2011	22.81	22.83	22.65	22.77	3,959,077	-0.01(-0.02%)
May 23, 2011	22.75	22.97	22.75	22.78	5,611,516	-0.20(-0.87%)
May 20, 2011	23.15	23.18	22.95	22.98	7,194,871	-0.20(-0.86%)
May 19, 2011	23.03	23.20	22.98	23.18	7,639,659	+0.19(+0.82%)
May 18, 2011	23.02	23.05	22.85	22.99	6,180,881	-0.06(-0.27%)
May 17, 2011	22.83	23.11	22.79	23.05	8,332,615	+0.19(+0.84%)
May 16, 2011	22.92	23.10	22.82	22.86	6,433,652	-0.13(-0.57%)
May 13, 2011	22.95	23.03	22.82	22.99	6,474,676	+0.04(+0.17%)
May 12, 2011	22.69	22.97	22.64	22.95	8,631,357	+0.24(+1.08%)
May 11, 2011	22.58	22.75	22.52	22.70	9,303,465	+0.05(+0.20%)
May 10, 2011	22.55	22.68	22.46	22.66	6,920,863	+0.11(+0.48%)
May 09, 2011	22.40	22.57	22.33	22.55	6,404,164	+0.12(+0.56%)
May 06, 2011	22.43	22.48	22.30	22.43	6,637,118	+0.12(+0.53%)
May 05, 2011	22.40	22.42	22.21	22.31	8,654,455	-0.13(-0.58%)
May 04, 2011	22.31	22.57	22.27	22.44	10,761,313	+0.13(+0.59%)
May 03, 2011	22.10	22.32	22.06	22.31	15,533,551	+0.14(+0.61%)

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