Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	45.27	45.27	44.35	44.42	807,553	-0.40(-0.88%)
May 23, 2011	45.43	45.48	44.81	44.81	902,369	-1.49(-3.22%)
May 20, 2011	46.43	46.63	45.64	46.30	569,173	-0.21(-0.45%)
May 19, 2011	47.46	47.71	46.44	46.51	578,706	-0.67(-1.42%)
May 18, 2011	46.23	47.26	45.77	47.18	543,780	+1.20(+2.61%)
May 17, 2011	46.49	47.02	45.87	45.98	873,440	-0.86(-1.85%)
May 16, 2011	46.51	47.43	46.37	46.85	998,853	-0.04(-0.08%)
May 13, 2011	47.55	47.59	46.68	46.88	702,670	-0.66(-1.39%)
May 12, 2011	47.29	48.10	47.01	47.55	1,075,640	+0.14(+0.30%)
May 11, 2011	47.93	48.30	46.93	47.40	678,808	-0.54(-1.12%)
May 10, 2011	48.31	49.19	47.90	47.94	740,857	-0.07(-0.14%)
May 09, 2011	47.85	48.49	47.68	48.01	724,361	+0.10(+0.22%)
May 06, 2011	48.16	48.66	47.41	47.90	897,608	+0.37(+0.78%)
May 05, 2011	47.54	48.35	47.33	47.53	736,820	-0.47(-0.98%)
May 04, 2011	49.25	50.04	47.99	48.00	967,323	-1.24(-2.51%)
May 03, 2011	49.36	49.70	48.78	49.24	1,049,047	-0.42(-0.86%)
May 02, 2011	49.60	49.72	49.54	49.66	662,274	+0.29(+0.59%)
Apr 29, 2011	49.45	49.76	49.08	49.37	596,368	-0.08(-0.17%)
Apr 28, 2011	49.45	49.62	48.79	49.45	791,837	-0.14(-0.29%)
Apr 27, 2011	49.80	49.80	48.65	49.60	1,083,679	-0.20(-0.40%)
Apr 26, 2011	49.73	50.29	49.19	49.80	1,264,290	+0.42(+0.86%)
Apr 25, 2011	50.22	50.41	48.88	49.37	1,540,022	-1.41(-2.77%)
Apr 21, 2011	49.36	51.90	49.32	50.78	2,062,729	+2.90(+6.05%)
Apr 20, 2011	47.68	48.11	47.03	47.88	1,238,145	+0.77(+1.63%)
Apr 19, 2011	46.73	47.54	46.73	47.11	701,263	+0.48(+1.02%)
Apr 18, 2011	46.58	47.32	46.35	46.64	1,112,809	-0.69(-1.46%)
Apr 15, 2011	47.33	47.84	46.99	47.33	1,008,683	+0.40(+0.86%)
Apr 14, 2011	45.78	47.11	45.71	46.93	921,250	+0.98(+2.14%)
Apr 13, 2011	45.95	46.12	45.55	45.94	686,421	+0.40(+0.88%)
Apr 12, 2011	45.94	46.28	45.44	45.54	846,889	-0.66(-1.44%)
Apr 11, 2011	46.86	47.08	46.13	46.21	324,610	-0.48(-1.04%)
Apr 08, 2011	48.12	48.16	46.59	46.69	357,512	-0.89(-1.86%)
Apr 07, 2011	47.92	48.44	47.43	47.58	479,538	-0.34(-0.72%)
Apr 06, 2011	47.66	48.01	47.08	47.92	575,788	+0.75(+1.60%)
Apr 05, 2011	46.77	47.48	46.41	47.17	637,188	+0.19(+0.41%)
Apr 04, 2011	46.92	47.40	46.74	46.97	426,016	+0.23(+0.49%)
Apr 01, 2011	47.35	47.40	46.50	46.74	1,066,306	-0.12(-0.25%)
Mar 31, 2011	45.77	46.91	45.64	46.86	1,201,734	+1.01(+2.21%)
Mar 30, 2011	45.57	45.94	45.57	45.85	1,111,965	+0.42(+0.94%)
Mar 29, 2011	44.78	45.46	44.42	45.42	767,374	+0.49(+1.09%)
Mar 28, 2011	45.57	45.59	44.83	44.93	781,965	-0.72(-1.58%)
Mar 25, 2011	45.50	46.07	45.32	45.65	565,961	+0.19(+0.41%)
Mar 24, 2011	45.96	45.96	44.98	45.47	655,813	-0.16(-0.34%)
Mar 23, 2011	44.59	45.91	44.22	45.62	792,516	+0.83(+1.86%)
Mar 22, 2011	45.02	45.02	44.39	44.79	699,203	-0.16(-0.35%)
Mar 21, 2011	45.23	45.33	44.78	44.95	984,268	+0.64(+1.45%)
Mar 18, 2011	44.68	44.91	44.21	44.30	941,977	+0.33(+0.75%)
Mar 17, 2011	44.54	44.84	43.81	43.98	665,892	+0.31(+0.70%)
Mar 16, 2011	44.68	45.18	43.34	43.67	1,305,578	-1.21(-2.71%)
Mar 15, 2011	44.69	45.18	44.60	44.89	1,242,034	-0.43(-0.95%)
Mar 14, 2011	46.59	47.08	45.28	45.32	1,087,957	-1.85(-3.92%)
Mar 11, 2011	46.27	47.25	46.27	47.17	317,345	+0.75(+1.61%)
Mar 10, 2011	47.53	47.68	46.27	46.42	599,122	-2.00(-4.14%)
Mar 09, 2011	47.98	48.66	47.42	48.43	905,697	+0.18(+0.37%)
Mar 08, 2011	47.35	48.45	46.95	48.25	539,382	+1.05(+2.23%)
Mar 07, 2011	48.81	49.10	46.98	47.20	1,030,609	-1.57(-3.22%)
Mar 04, 2011	49.41	49.69	48.06	48.77	596,875	-0.67(-1.36%)
Mar 03, 2011	47.87	50.26	47.80	49.44	706,555	+1.71(+3.58%)
Mar 02, 2011	46.63	48.00	46.59	47.73	653,177	+0.89(+1.91%)

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