Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	39.68	40.26	39.49	39.77	594,905	+0.09(+0.23%)
May 23, 2011	38.54	40.32	38.54	39.68	989,606	-0.44(-1.10%)
May 20, 2011	41.01	41.14	39.63	40.12	873,658	-1.07(-2.60%)
May 19, 2011	44.27	44.44	41.02	41.19	2,766,711	-6.71(-14.01%)
May 18, 2011	46.96	47.97	46.92	47.90	439,467	+1.27(+2.72%)
May 17, 2011	46.31	46.73	45.65	46.63	398,920	+0.04(+0.09%)
May 16, 2011	46.23	47.09	45.99	46.59	431,647	+0.00(+0.00%)
May 13, 2011	46.38	46.97	46.23	46.59	309,314	+0.32(+0.69%)
May 12, 2011	45.25	46.35	44.85	46.27	245,834	+0.93(+2.05%)
May 11, 2011	45.79	45.98	44.83	45.34	225,753	-0.42(-0.92%)
May 10, 2011	45.18	45.80	44.72	45.76	382,660	+1.17(+2.62%)
May 09, 2011	44.94	44.94	44.14	44.59	447,837	-0.32(-0.71%)
May 06, 2011	46.18	46.34	44.72	44.91	306,495	-0.59(-1.30%)
May 05, 2011	45.45	46.73	45.09	45.50	381,192	-0.06(-0.13%)
May 04, 2011	45.60	46.13	44.80	45.56	482,548	-0.02(-0.04%)
May 03, 2011	45.14	46.31	45.06	45.58	334,697	+0.45(+1.00%)
May 02, 2011	45.09	45.19	44.99	45.13	291,507	-0.36(-0.79%)
Apr 29, 2011	46.22	46.30	45.40	45.49	184,676	-0.62(-1.34%)
Apr 28, 2011	45.81	46.38	45.75	46.11	144,675	+0.07(+0.15%)
Apr 27, 2011	45.73	46.19	45.27	46.04	216,389	+0.47(+1.03%)
Apr 26, 2011	45.75	46.11	45.07	45.57	178,604	+0.05(+0.11%)
Apr 25, 2011	44.86	45.80	44.86	45.52	320,003	+1.18(+2.66%)
Apr 21, 2011	45.50	45.50	44.15	44.34	269,917	-0.87(-1.92%)
Apr 20, 2011	44.62	45.71	44.61	45.21	293,529	+1.25(+2.84%)
Apr 19, 2011	44.32	44.85	43.81	43.96	250,191	-0.29(-0.66%)
Apr 18, 2011	44.37	44.58	43.58	44.25	420,332	-0.61(-1.36%)
Apr 15, 2011	44.58	45.25	44.48	44.86	460,564	+0.39(+0.88%)
Apr 14, 2011	43.55	44.54	43.45	44.47	351,508	+0.86(+1.97%)
Apr 13, 2011	44.18	44.44	43.11	43.61	378,780	-0.46(-1.04%)
Apr 12, 2011	44.00	44.77	43.72	44.07	432,063	-0.12(-0.27%)
Apr 11, 2011	43.60	44.50	43.22	44.19	488,977	+0.54(+1.24%)
Apr 08, 2011	43.75	44.09	42.77	43.65	927,984	-0.90(-2.02%)
Apr 07, 2011	41.00	45.49	40.70	44.55	1,411,769	+4.01(+9.89%)
Apr 06, 2011	40.78	41.18	39.86	40.54	316,557	+0.07(+0.17%)
Apr 05, 2011	38.81	40.74	38.71	40.47	477,200	+1.38(+3.53%)
Apr 04, 2011	39.52	39.69	38.92	39.09	253,974	-0.27(-0.69%)
Apr 01, 2011	40.77	40.91	39.13	39.36	410,953	-1.04(-2.57%)
Mar 31, 2011	40.04	40.80	39.72	40.40	567,956	+0.35(+0.87%)
Mar 30, 2011	39.08	40.10	38.90	40.05	604,075	+1.09(+2.80%)
Mar 29, 2011	37.77	39.01	37.67	38.96	472,292	+1.20(+3.18%)
Mar 28, 2011	37.79	38.61	37.52	37.76	353,912	+0.21(+0.56%)
Mar 25, 2011	37.58	38.48	37.46	37.55	279,793	+0.19(+0.51%)
Mar 24, 2011	36.93	37.56	36.90	37.36	270,500	+0.70(+1.91%)
Mar 23, 2011	36.26	36.81	35.24	36.66	324,678	+0.17(+0.47%)
Mar 22, 2011	36.76	36.94	36.39	36.49	233,554	-0.20(-0.55%)
Mar 21, 2011	36.45	36.75	36.26	36.69	443,560	+0.85(+2.37%)
Mar 18, 2011	36.57	36.59	35.32	35.84	1,188,708	-0.37(-1.02%)
Mar 17, 2011	37.17	37.81	36.19	36.21	425,997	-0.43(-1.17%)
Mar 16, 2011	38.00	38.35	36.61	36.64	584,090	-1.29(-3.40%)
Mar 15, 2011	37.74	38.25	37.60	37.93	498,981	+0.19(+0.50%)
Mar 14, 2011	38.38	38.80	37.17	37.74	451,273	-0.86(-2.23%)
Mar 11, 2011	37.80	38.80	37.02	38.60	390,803	+0.67(+1.77%)
Mar 10, 2011	38.50	38.50	36.64	37.93	568,059	+0.36(+0.96%)
Mar 09, 2011	36.80	38.27	36.34	37.57	563,626	+0.67(+1.82%)
Mar 08, 2011	36.70	37.11	36.06	36.90	419,181	+0.13(+0.35%)
Mar 07, 2011	37.41	37.61	36.54	36.77	450,989	-0.34(-0.92%)
Mar 04, 2011	38.09	38.15	36.68	37.11	520,766	-0.83(-2.19%)
Mar 03, 2011	38.75	39.50	37.89	37.94	583,750	-1.11(-2.84%)
Mar 02, 2011	38.92	39.47	38.33	39.05	366,833	+0.00(+0.00%)

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