Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	22.59	22.71	22.51	22.71	782,948	+0.15(+0.66%)
Apr 27, 2012	22.46	22.61	22.33	22.56	521,945	+0.19(+0.85%)
Apr 26, 2012	22.29	22.46	22.20	22.37	257,973	+0.00(+0.00%)
Apr 25, 2012	22.25	22.40	22.19	22.37	504,756	+0.23(+1.04%)
Apr 24, 2012	21.86	22.23	21.86	22.14	421,679	+0.35(+1.61%)
Apr 23, 2012	21.93	21.95	21.63	21.79	473,761	-0.29(-1.31%)
Apr 20, 2012	21.89	22.23	21.88	22.08	387,343	+0.23(+1.05%)
Apr 19, 2012	21.87	22.09	21.75	21.85	387,235	-0.06(-0.27%)
Apr 18, 2012	21.89	22.05	21.78	21.91	515,950	-0.06(-0.27%)
Apr 17, 2012	21.82	22.14	21.70	21.97	468,197	+0.27(+1.24%)
Apr 16, 2012	21.58	21.77	21.57	21.70	384,898	+0.18(+0.84%)
Apr 13, 2012	21.65	21.84	21.52	21.52	393,450	-0.19(-0.88%)
Apr 12, 2012	21.68	21.87	21.59	21.71	427,138	+0.08(+0.37%)
Apr 11, 2012	21.80	21.80	21.60	21.63	407,280	-0.09(-0.41%)
Apr 10, 2012	21.94	21.94	21.65	21.72	419,923	-0.24(-1.09%)
Apr 09, 2012	22.00	22.07	21.88	21.96	387,555	-0.27(-1.21%)
Apr 05, 2012	22.20	22.37	22.12	22.23	375,837	-0.12(-0.54%)
Apr 04, 2012	22.42	22.42	22.23	22.35	415,809	-0.18(-0.80%)
Apr 03, 2012	22.29	22.54	22.29	22.53	432,361	+0.17(+0.76%)
Apr 02, 2012	22.29	22.54	22.15	22.36	536,358	+0.07(+0.31%)
Mar 30, 2012	22.39	22.41	22.27	22.29	466,808	-0.06(-0.27%)
Mar 29, 2012	22.15	22.36	22.06	22.35	327,356	+0.07(+0.31%)
Mar 28, 2012	22.37	22.43	22.15	22.28	385,119	-0.10(-0.45%)
Mar 27, 2012	22.33	22.45	22.24	22.38	480,197	+0.07(+0.31%)
Mar 26, 2012	22.29	22.40	22.21	22.31	468,195	+0.19(+0.86%)
Mar 23, 2012	21.94	22.17	21.80	22.12	478,082	+0.27(+1.24%)
Mar 22, 2012	21.75	21.89	21.58	21.85	401,908	+0.04(+0.18%)
Mar 21, 2012	21.99	22.06	21.81	21.81	349,695	-0.13(-0.59%)
Mar 20, 2012	21.91	22.11	21.91	21.94	205,145	-0.06(-0.27%)
Mar 19, 2012	22.04	22.18	21.87	22.00	390,719	-0.04(-0.18%)
Mar 16, 2012	22.07	22.08	21.93	22.04	1,094,988	-0.04(-0.18%)
Mar 15, 2012	22.06	22.18	21.90	22.08	553,651	-0.01(-0.05%)
Mar 14, 2012	22.35	22.39	21.91	22.09	447,832	-0.31(-1.38%)
Mar 13, 2012	22.35	22.49	22.18	22.40	450,269	+0.09(+0.40%)
Mar 12, 2012	22.28	22.37	22.25	22.31	372,614	+0.09(+0.41%)
Mar 09, 2012	22.08	22.31	21.94	22.22	321,147	+0.19(+0.86%)
Mar 08, 2012	22.01	22.08	21.79	22.03	391,122	+0.11(+0.50%)
Mar 07, 2012	21.95	22.00	21.75	21.92	450,421	-0.02(-0.09%)
Mar 06, 2012	22.04	22.12	21.85	21.94	397,131	-0.25(-1.13%)
Mar 05, 2012	22.03	22.23	21.88	22.19	587,133	+0.17(+0.77%)
Mar 02, 2012	21.84	22.19	21.71	22.02	563,550	-0.09(-0.41%)
Mar 01, 2012	22.16	22.16	21.80	22.11	745,830	-0.10(-0.45%)
Feb 29, 2012	21.94	22.34	21.77	22.21	1,814,879	+0.20(+0.91%)
Feb 28, 2012	22.29	22.58	22.00	22.01	587,479	-0.31(-1.39%)
Feb 27, 2012	22.48	22.62	22.23	22.32	621,130	-0.23(-1.02%)
Feb 24, 2012	22.57	22.67	22.31	22.55	441,062	-0.06(-0.27%)
Feb 23, 2012	22.20	22.75	22.20	22.61	777,151	+0.45(+2.03%)
Feb 22, 2012	22.12	22.27	22.09	22.16	255,775	+0.03(+0.14%)
Feb 21, 2012	22.16	22.30	22.04	22.13	344,290	-0.01(-0.05%)
Feb 17, 2012	22.36	22.45	22.14	22.14	448,626	-0.14(-0.63%)
Feb 16, 2012	21.96	22.43	21.88	22.28	346,929	+0.30(+1.36%)
Feb 15, 2012	22.26	22.26	21.87	21.98	386,882	-0.26(-1.17%)
Feb 14, 2012	22.29	22.38	22.07	22.24	321,275	-0.14(-0.63%)
Feb 13, 2012	22.20	22.47	22.20	22.38	347,347	+0.31(+1.40%)
Feb 10, 2012	22.14	22.24	22.00	22.07	471,576	-0.18(-0.81%)
Feb 09, 2012	22.48	22.57	22.16	22.25	446,553	-0.26(-1.16%)
Feb 08, 2012	22.50	22.57	22.33	22.51	245,765	+0.05(+0.22%)
Feb 07, 2012	22.25	22.56	22.25	22.46	317,573	+0.21(+0.94%)
Feb 06, 2012	22.27	22.39	22.14	22.25	295,253	-0.01(-0.04%)
Feb 03, 2012	22.42	22.47	22.22	22.26	485,633	-0.01(-0.04%)
Feb 02, 2012	22.20	22.35	22.15	22.27	341,003	-0.04(-0.18%)

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