Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	43.92	44.12	43.70	43.95	496,095	+0.08(+0.18%)
May 23, 2011	43.24	44.08	43.18	43.87	746,990	+0.00(+0.00%)
May 20, 2011	44.52	44.52	43.61	43.87	460,513	-0.65(-1.47%)
May 19, 2011	44.20	44.64	44.18	44.52	699,178	+0.50(+1.13%)
May 18, 2011	43.32	44.12	43.32	44.03	791,771	+0.83(+1.92%)
May 17, 2011	44.14	44.14	42.89	43.20	1,075,274	-1.10(-2.49%)
May 16, 2011	44.61	44.89	44.30	44.30	529,992	-0.44(-0.97%)
May 13, 2011	45.70	45.79	44.73	44.73	942,976	-0.81(-1.79%)
May 12, 2011	46.20	46.26	45.51	45.55	1,178,184	-0.84(-1.80%)
May 11, 2011	46.69	46.93	46.04	46.38	1,194,022	-0.26(-0.56%)
May 10, 2011	45.65	46.71	45.56	46.64	783,113	+1.16(+2.55%)
May 09, 2011	45.30	45.65	45.02	45.49	607,506	+0.40(+0.89%)
May 06, 2011	44.57	45.19	44.03	45.09	1,485,353	+1.16(+2.64%)
May 05, 2011	43.59	44.11	43.53	43.93	1,146,937	-0.04(-0.10%)
May 04, 2011	43.94	44.21	43.40	43.97	1,354,914	+0.22(+0.50%)
May 03, 2011	44.17	44.40	43.64	43.75	649,269	-0.53(-1.19%)
May 02, 2011	44.20	44.28	44.19	44.28	665,129	-0.44(-0.97%)
Apr 29, 2011	44.17	44.84	44.07	44.71	827,408	+0.69(+1.56%)
Apr 28, 2011	44.50	44.50	43.54	44.03	952,038	-0.26(-0.59%)
Apr 27, 2011	46.09	46.24	43.48	44.28	1,648,724	+0.67(+1.53%)
Apr 26, 2011	43.46	43.91	43.16	43.62	779,594	+0.39(+0.91%)
Apr 25, 2011	42.85	43.34	42.69	43.22	497,248	+0.31(+0.72%)
Apr 21, 2011	43.16	43.16	42.54	42.92	262,114	+0.07(+0.16%)
Apr 20, 2011	42.64	43.30	42.47	42.85	555,852	+0.98(+2.35%)
Apr 19, 2011	41.23	41.95	41.22	41.86	555,396	+0.67(+1.64%)
Apr 18, 2011	41.21	41.45	40.30	41.19	951,632	-0.77(-1.84%)
Apr 15, 2011	41.45	42.49	41.16	41.96	1,435,236	+0.51(+1.22%)
Apr 14, 2011	40.68	41.52	40.44	41.45	675,564	+0.55(+1.34%)
Apr 13, 2011	41.10	41.12	40.77	40.91	385,386	+0.03(+0.07%)
Apr 12, 2011	40.94	41.19	40.83	40.88	402,344	-0.39(-0.95%)
Apr 11, 2011	41.12	41.62	41.00	41.27	345,856	+0.03(+0.07%)
Apr 08, 2011	41.63	41.82	40.79	41.24	454,987	-0.19(-0.46%)
Apr 07, 2011	41.59	41.72	40.98	41.43	440,210	-0.06(-0.15%)
Apr 06, 2011	41.98	42.02	41.36	41.50	391,820	-0.19(-0.45%)
Apr 05, 2011	41.43	41.79	41.09	41.69	910,326	+0.11(+0.27%)
Apr 04, 2011	41.90	42.21	41.36	41.57	722,385	-0.15(-0.35%)
Apr 01, 2011	42.14	42.54	41.51	41.72	691,921	-0.21(-0.50%)
Mar 31, 2011	41.41	42.00	41.37	41.93	692,838	+0.32(+0.76%)
Mar 30, 2011	41.08	41.71	41.01	41.62	404,728	+0.92(+2.26%)
Mar 29, 2011	40.73	40.88	40.19	40.70	610,527	-0.11(-0.28%)
Mar 28, 2011	40.44	41.22	40.13	40.81	650,163	+0.68(+1.70%)
Mar 25, 2011	40.84	41.11	40.05	40.13	1,140,191	-0.55(-1.36%)
Mar 24, 2011	40.98	40.98	40.35	40.68	578,424	-0.06(-0.14%)
Mar 23, 2011	40.18	41.00	39.99	40.74	798,043	+0.47(+1.17%)
Mar 22, 2011	40.63	40.72	40.16	40.27	503,928	-0.60(-1.46%)
Mar 21, 2011	40.94	40.97	40.53	40.86	680,609	+0.96(+2.41%)
Mar 18, 2011	40.30	40.32	39.57	39.90	1,007,347	+0.24(+0.60%)
Mar 17, 2011	40.53	40.53	39.55	39.66	679,145	-0.31(-0.77%)
Mar 16, 2011	40.62	40.65	39.59	39.97	847,973	-0.62(-1.54%)
Mar 15, 2011	40.24	40.91	40.21	40.60	1,348,339	-0.27(-0.65%)
Mar 14, 2011	40.49	41.16	40.37	40.86	996,157	-0.08(-0.20%)
Mar 11, 2011	40.03	41.07	39.79	40.95	1,135,072	+1.21(+3.04%)
Mar 10, 2011	39.84	40.24	39.48	39.74	1,149,518	-0.78(-1.91%)
Mar 09, 2011	39.65	40.58	39.49	40.51	1,210,247	+0.87(+2.20%)
Mar 08, 2011	39.35	39.99	39.28	39.64	913,247	+0.19(+0.48%)
Mar 07, 2011	39.47	39.82	39.03	39.45	859,069	-0.01(-0.04%)
Mar 04, 2011	39.86	40.03	39.13	39.47	1,273,826	-0.50(-1.24%)
Mar 03, 2011	38.24	40.30	38.24	39.96	2,532,664	+2.24(+5.95%)
Mar 02, 2011	36.84	38.12	36.75	37.72	1,304,666	+0.98(+2.66%)

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