Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	46.13	46.47	46.00	46.20	247,126	+0.17(+0.37%)
May 23, 2011	46.33	46.38	45.85	46.03	458,867	-1.19(-2.51%)
May 20, 2011	47.16	47.41	46.36	47.22	218,759	-0.06(-0.13%)
May 19, 2011	47.50	47.86	46.92	47.28	346,686	+0.08(+0.17%)
May 18, 2011	45.94	47.33	45.73	47.20	271,573	+1.28(+2.78%)
May 17, 2011	46.39	46.58	45.66	45.93	230,514	-0.70(-1.51%)
May 16, 2011	46.95	47.38	46.58	46.63	163,976	-0.63(-1.34%)
May 13, 2011	48.00	48.03	47.01	47.26	232,529	-0.64(-1.34%)
May 12, 2011	47.19	47.90	46.87	47.90	369,992	+0.47(+0.98%)
May 11, 2011	47.75	47.89	46.95	47.44	223,222	-0.50(-1.05%)
May 10, 2011	47.76	48.17	47.64	47.94	119,468	+0.42(+0.87%)
May 09, 2011	47.07	47.85	46.80	47.53	141,783	+0.36(+0.76%)
May 06, 2011	47.56	47.95	46.90	47.17	230,805	+0.25(+0.53%)
May 05, 2011	46.86	47.85	46.46	46.93	316,880	-0.28(-0.59%)
May 04, 2011	48.31	48.38	46.98	47.20	176,051	-1.11(-2.29%)
May 03, 2011	49.03	49.40	47.98	48.31	245,646	-1.01(-2.05%)
May 02, 2011	49.19	49.42	49.14	49.32	309,370	-0.07(-0.14%)
Apr 29, 2011	49.25	49.65	49.03	49.39	190,762	+0.27(+0.54%)
Apr 28, 2011	49.24	49.52	49.06	49.12	189,168	-0.31(-0.62%)
Apr 27, 2011	49.33	49.48	48.86	49.43	193,372	+0.09(+0.18%)
Apr 26, 2011	49.06	49.67	48.83	49.34	351,308	+0.54(+1.12%)
Apr 25, 2011	49.08	49.11	48.54	48.80	281,577	-0.55(-1.12%)
Apr 21, 2011	49.50	49.60	49.11	49.35	322,737	+0.26(+0.52%)
Apr 20, 2011	49.33	49.56	48.81	49.09	501,204	+0.81(+1.68%)
Apr 19, 2011	50.42	50.62	48.01	48.28	1,330,306	+1.69(+3.63%)
Apr 18, 2011	45.97	46.84	45.64	46.59	660,603	-0.18(-0.38%)
Apr 15, 2011	46.41	47.03	46.19	46.77	190,367	+0.54(+1.18%)
Apr 14, 2011	46.06	46.36	46.00	46.22	182,109	-0.20(-0.43%)
Apr 13, 2011	46.61	46.75	46.06	46.42	250,928	+0.15(+0.32%)
Apr 12, 2011	46.51	46.71	46.14	46.27	192,495	-0.56(-1.20%)
Apr 11, 2011	47.55	47.62	46.61	46.84	326,633	-0.63(-1.33%)
Apr 08, 2011	48.35	48.44	47.09	47.47	177,128	-0.62(-1.30%)
Apr 07, 2011	48.34	48.73	47.86	48.09	251,474	-0.30(-0.61%)
Apr 06, 2011	48.63	48.84	47.98	48.39	219,399	+0.05(+0.10%)
Apr 05, 2011	48.07	48.91	48.01	48.34	323,397	+0.06(+0.12%)
Apr 04, 2011	48.37	48.58	47.99	48.28	181,388	+0.11(+0.23%)
Apr 01, 2011	48.11	48.26	47.88	48.17	430,075	+0.25(+0.52%)
Mar 31, 2011	48.12	48.33	47.82	47.92	301,064	-0.22(-0.45%)
Mar 30, 2011	48.40	48.73	48.07	48.14	263,337	-0.01(-0.02%)
Mar 29, 2011	47.34	48.18	47.26	48.15	227,228	+0.77(+1.63%)
Mar 28, 2011	47.82	47.94	47.36	47.38	317,843	-0.25(-0.52%)
Mar 25, 2011	47.46	48.03	47.08	47.63	248,200	+0.28(+0.59%)
Mar 24, 2011	47.01	47.46	46.41	47.35	230,139	+0.64(+1.38%)
Mar 23, 2011	46.93	47.01	46.25	46.71	245,451	-0.28(-0.59%)
Mar 22, 2011	47.11	47.22	46.85	46.98	238,176	-0.13(-0.27%)
Mar 21, 2011	47.11	47.29	46.55	47.11	715,108	+1.08(+2.34%)
Mar 18, 2011	45.99	46.28	45.69	46.03	486,807	+0.52(+1.15%)
Mar 17, 2011	46.21	46.28	45.32	45.51	491,132	+0.02(+0.04%)
Mar 16, 2011	46.23	46.60	45.05	45.49	547,459	-0.89(-1.92%)
Mar 15, 2011	45.88	46.82	45.88	46.38	492,571	-0.16(-0.34%)
Mar 14, 2011	45.97	46.70	45.86	46.54	329,896	+0.09(+0.19%)
Mar 11, 2011	45.83	46.72	45.60	46.45	404,988	+0.49(+1.08%)
Mar 10, 2011	46.20	46.20	45.16	45.96	437,530	-0.92(-1.96%)
Mar 09, 2011	46.77	46.97	46.26	46.88	297,013	-0.08(-0.17%)
Mar 08, 2011	46.70	47.45	46.16	46.95	381,427	+0.48(+1.02%)
Mar 07, 2011	47.54	47.66	45.90	46.48	260,734	-0.77(-1.63%)
Mar 04, 2011	47.61	47.77	46.84	47.25	173,948	-0.47(-1.00%)
Mar 03, 2011	46.98	48.00	46.98	47.73	258,456	+1.22(+2.62%)
Mar 02, 2011	46.21	47.04	46.21	46.51	352,427	+0.25(+0.53%)

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