Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	20.47	20.84	20.47	20.73	317,107	-0.04(-0.19%)
Jul 28, 2011	20.80	20.95	20.73	20.77	201,754	-0.08(-0.39%)
Jul 27, 2011	21.22	21.23	20.81	20.85	465,687	-0.43(-2.01%)
Jul 26, 2011	21.34	21.43	21.25	21.27	218,515	-0.09(-0.43%)
Jul 25, 2011	21.27	21.56	21.22	21.37	304,025	-0.07(-0.33%)
Jul 22, 2011	21.47	21.49	21.40	21.44	243,875	-0.25(-1.17%)
Jul 21, 2011	21.21	21.72	21.18	21.69	353,251	+0.53(+2.49%)
Jul 20, 2011	21.35	21.35	21.11	21.16	248,002	-0.11(-0.53%)
Jul 19, 2011	20.83	21.34	20.79	21.28	540,565	+0.46(+2.20%)
Jul 18, 2011	21.12	21.12	20.79	20.82	302,550	-0.34(-1.59%)
Jul 15, 2011	21.27	21.33	21.02	21.16	378,248	-0.10(-0.48%)
Jul 14, 2011	21.49	21.53	21.23	21.26	498,057	-0.18(-0.85%)
Jul 13, 2011	21.34	21.53	21.29	21.44	279,938	+0.21(+0.97%)
Jul 12, 2011	21.20	21.47	21.13	21.23	369,172	-0.01(-0.04%)
Jul 11, 2011	21.26	21.46	21.20	21.24	325,555	-0.19(-0.87%)
Jul 08, 2011	21.35	21.48	21.24	21.43	269,323	-0.11(-0.52%)
Jul 07, 2011	21.42	21.62	21.30	21.54	334,352	+0.24(+1.10%)
Jul 06, 2011	21.11	21.41	21.08	21.31	406,142	+0.19(+0.92%)
Jul 05, 2011	21.18	21.22	21.04	21.11	272,848	-0.07(-0.35%)
Jul 01, 2011	20.83	21.23	20.80	21.19	366,675	+0.36(+1.71%)
Jun 30, 2011	20.83	20.86	20.75	20.83	364,995	+0.02(+0.09%)
Jun 29, 2011	20.83	20.83	20.66	20.81	390,493	+0.01(+0.04%)
Jun 28, 2011	20.83	20.83	20.59	20.80	313,149	+0.06(+0.30%)
Jun 27, 2011	20.74	20.88	20.69	20.74	614,634	+0.03(+0.14%)
Jun 24, 2011	20.60	20.76	20.53	20.71	905,346	+0.13(+0.65%)
Jun 23, 2011	20.44	20.67	20.33	20.58	649,121	-0.04(-0.19%)
Jun 22, 2011	20.59	20.72	20.59	20.62	536,614	-0.03(-0.14%)
Jun 21, 2011	20.49	20.68	20.42	20.65	485,365	+0.27(+1.31%)
Jun 20, 2011	20.39	20.42	20.35	20.38	450,801	+0.18(+0.87%)
Jun 17, 2011	20.47	20.47	20.12	20.20	685,362	-0.12(-0.59%)
Jun 16, 2011	20.33	20.41	20.24	20.32	519,348	+0.03(+0.16%)
Jun 15, 2011	20.33	20.42	20.24	20.29	539,121	-0.13(-0.63%)
Jun 14, 2011	20.41	20.50	20.25	20.42	431,351	+0.17(+0.82%)
Jun 13, 2011	20.21	20.33	20.09	20.25	365,109	+0.10(+0.52%)
Jun 10, 2011	20.29	20.29	20.09	20.15	571,601	-0.21(-1.01%)
Jun 09, 2011	20.51	20.55	20.30	20.35	673,372	-0.08(-0.38%)
Jun 08, 2011	20.44	20.57	20.40	20.43	464,652	-0.10(-0.46%)
Jun 07, 2011	20.59	20.63	20.37	20.52	578,312	+0.04(+0.22%)
Jun 06, 2011	20.43	20.60	20.28	20.48	652,706	+0.10(+0.51%)
Jun 03, 2011	20.40	20.55	20.34	20.38	503,427	-0.11(-0.54%)
May 24, 2011	20.43	20.71	20.43	20.49	797,241	+0.15(+0.75%)
May 23, 2011	20.34	20.42	20.26	20.33	368,076	-0.26(-1.26%)
May 20, 2011	20.56	20.70	20.51	20.59	642,528	-0.04(-0.22%)
May 19, 2011	20.75	20.75	20.60	20.64	1,010,864	-0.00(-0.01%)
May 18, 2011	20.54	20.64	20.49	20.64	830,159	+0.11(+0.55%)
May 17, 2011	20.41	20.54	20.35	20.53	1,026,550	+0.02(+0.12%)
May 16, 2011	20.43	20.60	20.35	20.50	801,687	-0.02(-0.12%)
May 13, 2011	20.64	20.73	20.48	20.53	1,116,640	-0.09(-0.45%)
May 12, 2011	20.04	20.63	20.00	20.62	830,757	+0.49(+2.44%)
May 11, 2011	20.21	20.29	20.06	20.13	734,191	-0.09(-0.44%)
May 10, 2011	19.96	20.23	19.90	20.22	521,318	+0.37(+1.87%)
May 09, 2011	19.81	19.88	19.73	19.85	316,549	+0.01(+0.05%)
May 06, 2011	19.91	19.97	19.75	19.84	1,049,208	+0.06(+0.30%)
May 05, 2011	19.72	20.18	19.72	19.78	795,006	+0.02(+0.11%)
May 04, 2011	19.89	19.89	19.67	19.76	470,489	-0.08(-0.42%)
May 03, 2011	19.80	19.91	19.73	19.84	527,302	-0.02(-0.12%)

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