Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	22.42	22.57	22.20	22.47	1,544,510	+0.04(+0.18%)
May 30, 2012	22.69	22.73	22.30	22.43	718,042	-0.41(-1.80%)
May 29, 2012	22.61	22.95	22.53	22.84	627,498	+0.34(+1.51%)
May 25, 2012	22.45	22.58	22.35	22.50	607,457	+0.07(+0.31%)
May 24, 2012	22.39	22.46	22.08	22.43	791,490	+0.05(+0.22%)
May 23, 2012	22.37	22.44	22.06	22.38	639,589	-0.12(-0.53%)
May 22, 2012	22.46	22.58	22.40	22.50	719,791	+0.12(+0.54%)
May 21, 2012	22.08	22.39	21.88	22.38	1,022,506	+0.30(+1.36%)
May 18, 2012	22.25	22.33	22.00	22.08	866,467	-0.10(-0.45%)
May 17, 2012	22.63	22.68	22.16	22.18	671,595	-0.45(-1.99%)
May 16, 2012	22.89	22.93	22.62	22.63	704,681	-0.24(-1.05%)
May 15, 2012	22.92	23.05	22.75	22.87	1,022,857	-0.10(-0.44%)
May 14, 2012	22.86	23.09	22.76	22.97	866,521	-0.01(-0.04%)
May 11, 2012	22.84	23.09	22.77	22.98	691,965	+0.05(+0.22%)
May 10, 2012	22.89	23.02	22.77	22.93	465,216	+0.14(+0.61%)
May 09, 2012	22.62	22.85	22.46	22.79	555,589	+0.01(+0.04%)
May 08, 2012	22.50	22.82	22.50	22.78	1,002,706	+0.14(+0.62%)
May 07, 2012	22.46	22.66	22.37	22.64	799,422	+0.18(+0.80%)
May 04, 2012	22.59	22.73	22.41	22.46	714,283	-0.15(-0.66%)
May 03, 2012	22.84	22.97	22.55	22.61	670,568	-0.17(-0.75%)
May 02, 2012	22.97	22.98	22.61	22.78	642,311	-0.28(-1.21%)
May 01, 2012	22.90	23.21	22.72	23.06	755,593	+0.12(+0.52%)
Apr 30, 2012	22.94	22.98	22.80	22.94	500,278	+0.03(+0.13%)
Apr 27, 2012	22.88	22.94	22.79	22.91	721,693	+0.11(+0.48%)
Apr 26, 2012	22.50	22.84	22.38	22.80	1,024,895	+0.31(+1.38%)
Apr 25, 2012	22.00	22.54	21.90	22.49	1,065,842	+0.61(+2.79%)
Apr 24, 2012	21.73	21.93	21.64	21.88	681,562	+0.10(+0.46%)
Apr 23, 2012	21.67	21.80	21.43	21.78	920,486	-0.18(-0.82%)
Apr 20, 2012	21.85	22.10	21.80	21.96	820,908	+0.17(+0.78%)
Apr 19, 2012	21.87	21.88	21.59	21.79	731,002	-0.05(-0.23%)
Apr 18, 2012	21.95	22.16	21.76	21.84	655,007	-0.25(-1.13%)
Apr 17, 2012	21.99	22.14	21.81	22.09	800,452	+0.22(+1.01%)
Apr 16, 2012	21.97	22.03	21.81	21.87	913,228	-0.01(-0.05%)
Apr 13, 2012	21.95	22.17	21.82	21.88	396,994	-0.16(-0.73%)
Apr 12, 2012	21.72	22.14	21.71	22.04	358,485	+0.24(+1.10%)
Apr 11, 2012	21.97	22.03	21.72	21.80	497,861	-0.03(-0.14%)
Apr 10, 2012	21.90	22.10	21.71	21.83	1,258,678	-0.13(-0.59%)
Apr 09, 2012	21.98	22.01	21.88	21.96	686,164	-0.22(-0.99%)
Apr 05, 2012	22.17	22.31	22.06	22.18	322,870	-0.12(-0.54%)
Apr 04, 2012	22.31	22.38	22.12	22.30	565,242	-0.14(-0.62%)
Apr 03, 2012	22.49	22.53	22.18	22.44	542,117	-0.02(-0.09%)
Apr 02, 2012	22.32	22.66	22.22	22.46	787,931	+0.07(+0.31%)
Mar 30, 2012	22.35	22.46	22.33	22.39	649,036	+0.06(+0.27%)
Mar 29, 2012	22.31	22.34	22.04	22.33	328,323	-0.08(-0.36%)
Mar 28, 2012	22.27	22.41	22.07	22.41	554,594	+0.11(+0.49%)
Mar 27, 2012	22.35	22.37	22.25	22.30	425,362	-0.02(-0.09%)
Mar 26, 2012	22.26	22.43	22.17	22.32	780,507	+0.20(+0.90%)
Mar 23, 2012	22.03	22.20	21.96	22.12	469,835	+0.13(+0.59%)
Mar 22, 2012	21.94	22.05	21.87	21.99	572,229	-0.07(-0.32%)
Mar 21, 2012	22.13	22.18	21.94	22.06	437,033	-0.06(-0.27%)
Mar 20, 2012	22.07	22.26	21.94	22.12	489,888	-0.07(-0.32%)
Mar 19, 2012	22.32	22.35	22.13	22.19	487,223	-0.03(-0.14%)
Mar 16, 2012	22.28	22.37	22.18	22.22	1,167,753	-0.09(-0.40%)
Mar 15, 2012	22.07	22.31	21.95	22.31	654,962	+0.29(+1.32%)
Mar 14, 2012	22.42	22.48	21.99	22.02	634,120	-0.46(-2.05%)
Mar 13, 2012	22.43	22.50	22.28	22.48	886,852	+0.08(+0.36%)
Mar 12, 2012	22.12	22.50	22.07	22.40	769,860	+0.33(+1.50%)
Mar 09, 2012	22.06	22.21	21.88	22.07	626,207	+0.01(+0.05%)
Mar 08, 2012	21.82	22.10	21.77	22.06	528,192	+0.33(+1.52%)
Mar 07, 2012	21.71	21.79	21.53	21.73	593,334	+0.03(+0.14%)
Mar 06, 2012	21.55	21.75	21.36	21.70	1,031,761	-0.21(-0.96%)
Mar 05, 2012	21.61	22.02	21.49	21.91	991,223	+0.22(+1.01%)
Mar 02, 2012	21.91	21.92	21.59	21.69	699,237	-0.15(-0.69%)

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