Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	21.77	21.77	21.47	21.59	431,207	-0.10(-0.48%)
Aug 30, 2011	21.46	21.82	21.22	21.70	637,854	+0.18(+0.84%)
Aug 29, 2011	21.05	21.52	21.05	21.52	504,025	+0.68(+3.29%)
Aug 26, 2011	20.61	20.98	20.34	20.83	358,721	+0.13(+0.63%)
Aug 25, 2011	21.12	21.21	20.64	20.70	623,902	-0.27(-1.30%)
Aug 24, 2011	20.85	21.19	20.77	20.97	748,852	+0.04(+0.18%)
Aug 23, 2011	20.22	20.94	20.20	20.94	896,458	+0.68(+3.33%)
Aug 22, 2011	20.50	20.54	20.19	20.26	495,184	+0.11(+0.55%)
Aug 19, 2011	20.02	20.46	20.02	20.15	858,802	-0.10(-0.48%)
Aug 18, 2011	20.23	20.43	20.09	20.25	959,256	-0.38(-1.85%)
Aug 17, 2011	20.64	20.77	20.53	20.63	345,757	+0.10(+0.49%)
Aug 16, 2011	20.62	20.64	20.30	20.53	752,817	-0.23(-1.13%)
Aug 15, 2011	20.77	20.91	20.63	20.76	764,148	+0.14(+0.66%)
Aug 12, 2011	21.06	21.07	20.50	20.63	663,107	-0.32(-1.55%)
Aug 11, 2011	20.25	21.34	20.13	20.95	1,305,420	+0.74(+3.65%)
Aug 10, 2011	21.51	21.51	20.13	20.21	1,248,792	-1.44(-6.66%)
Aug 09, 2011	20.86	21.69	19.64	21.66	2,053,083	+1.85(+9.35%)
Aug 08, 2011	20.86	21.29	19.80	19.80	1,047,021	-1.19(-5.66%)
Aug 05, 2011	21.06	21.23	20.65	20.99	1,247,817	+0.16(+0.79%)
Aug 04, 2011	20.39	21.32	20.38	20.83	939,941	+0.21(+1.01%)
Aug 03, 2011	20.59	20.66	20.39	20.62	395,648	+0.06(+0.29%)
Aug 02, 2011	20.57	20.81	20.52	20.56	417,715	-0.10(-0.50%)
Aug 01, 2011	20.91	20.91	20.53	20.66	371,853	-0.06(-0.30%)
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%)

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