Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.46	22.63	22.43	22.51	2,821,752	+0.27(+1.22%)
May 23, 2011	22.13	22.33	22.13	22.23	8,546,863	-0.38(-1.70%)
May 20, 2011	22.90	22.97	22.59	22.62	5,076,336	-0.56(-2.40%)
May 19, 2011	22.96	23.20	22.94	23.17	5,695,745	+0.38(+1.66%)
May 18, 2011	22.37	22.90	22.31	22.80	8,563,290	+0.39(+1.74%)
May 17, 2011	22.25	22.41	22.09	22.41	5,029,604	-0.12(-0.55%)
May 16, 2011	22.52	22.69	22.42	22.53	10,068,798	+0.02(+0.10%)
May 13, 2011	22.64	22.66	22.28	22.51	7,484,092	-0.10(-0.44%)
May 12, 2011	22.30	22.71	22.19	22.61	7,569,125	+0.08(+0.37%)
May 11, 2011	22.45	22.58	22.38	22.52	8,952,782	+0.24(+1.07%)
May 10, 2011	22.38	22.38	22.23	22.29	3,899,750	-0.11(-0.48%)
May 09, 2011	22.27	22.42	22.15	22.39	4,564,066	+0.07(+0.30%)
May 06, 2011	22.53	22.58	22.23	22.32	7,109,798	+0.14(+0.64%)
May 05, 2011	22.32	22.41	22.14	22.18	8,119,462	-0.72(-3.13%)
May 04, 2011	22.94	23.00	22.66	22.90	6,299,943	+0.30(+1.32%)
May 03, 2011	22.44	22.70	22.44	22.60	4,433,774	+0.08(+0.38%)
May 02, 2011	22.52	22.52	22.47	22.52	3,532,966	+0.21(+0.96%)
Apr 29, 2011	22.41	22.47	22.27	22.30	2,772,943	-0.02(-0.08%)
Apr 28, 2011	22.10	22.34	22.10	22.32	2,963,908	+0.14(+0.64%)
Apr 27, 2011	22.01	22.21	21.90	22.18	4,780,102	+0.23(+1.05%)
Apr 26, 2011	21.80	21.97	21.75	21.95	3,797,664	+0.29(+1.36%)
Apr 25, 2011	21.65	21.72	21.48	21.65	4,053,558	+0.20(+0.92%)
Apr 21, 2011	21.66	21.70	21.41	21.46	4,400,857	-0.02(-0.11%)
Apr 20, 2011	21.41	21.51	21.36	21.48	6,268,413	+0.63(+3.03%)
Apr 19, 2011	20.67	20.88	20.61	20.85	5,933,074	+0.19(+0.93%)
Apr 18, 2011	20.47	20.71	20.28	20.65	8,682,065	-0.52(-2.45%)
Apr 15, 2011	21.09	21.24	21.00	21.17	3,945,511	+0.16(+0.78%)
Apr 14, 2011	20.72	21.11	20.69	21.01	5,452,603	+0.08(+0.38%)
Apr 13, 2011	21.05	21.11	20.92	20.93	4,031,829	+0.02(+0.11%)
Apr 12, 2011	20.98	21.08	20.87	20.91	10,710,297	-0.04(-0.19%)
Apr 11, 2011	20.86	21.10	20.86	20.95	7,195,515	+0.37(+1.81%)
Apr 08, 2011	20.63	20.64	20.48	20.58	3,361,247	+0.17(+0.86%)
Apr 07, 2011	20.32	20.54	20.31	20.40	4,341,301	-0.11(-0.52%)
Apr 06, 2011	20.37	20.59	20.35	20.51	3,450,074	+0.16(+0.80%)
Apr 05, 2011	20.07	20.36	20.04	20.34	13,589,286	+0.16(+0.78%)
Apr 04, 2011	20.23	20.26	20.08	20.19	2,431,118	+0.05(+0.25%)
Apr 01, 2011	20.01	20.16	19.94	20.14	2,804,404	+0.26(+1.31%)
Mar 31, 2011	19.88	19.98	19.79	19.88	5,776,764	+0.05(+0.26%)
Mar 30, 2011	19.73	19.89	19.68	19.82	5,500,804	+0.27(+1.36%)
Mar 29, 2011	19.34	19.58	19.32	19.56	4,785,831	+0.03(+0.14%)
Mar 28, 2011	19.49	19.57	19.37	19.53	4,635,804	+0.01(+0.03%)
Mar 25, 2011	19.45	19.66	19.41	19.53	8,748,131	+0.08(+0.41%)
Mar 24, 2011	19.24	19.48	19.19	19.45	3,364,038	+0.33(+1.74%)
Mar 23, 2011	18.98	19.17	18.90	19.11	5,447,074	+0.00(+0.00%)
Mar 22, 2011	19.23	19.25	18.98	19.11	2,505,075	-0.07(-0.38%)
Mar 21, 2011	19.17	19.23	19.11	19.19	4,785,741	+0.36(+1.89%)
Mar 18, 2011	19.06	19.06	18.71	18.83	3,053,378	+0.17(+0.94%)
Mar 17, 2011	18.66	18.82	18.56	18.66	5,556,393	+0.59(+3.28%)
Mar 16, 2011	18.46	18.59	17.93	18.06	10,255,129	-0.52(-2.79%)
Mar 15, 2011	18.49	18.65	18.41	18.58	9,095,452	-0.66(-3.43%)
Mar 14, 2011	19.12	19.27	19.02	19.24	4,747,904	-0.24(-1.25%)
Mar 11, 2011	19.44	19.53	19.29	19.49	8,016,280	-0.27(-1.34%)
Mar 10, 2011	19.72	19.81	19.64	19.75	4,993,242	-0.07(-0.34%)
Mar 09, 2011	19.88	19.90	19.75	19.82	3,680,325	-0.02(-0.09%)
Mar 08, 2011	19.62	19.91	19.55	19.84	3,381,301	-0.09(-0.45%)
Mar 07, 2011	20.09	20.15	19.86	19.93	5,146,139	-0.13(-0.65%)
Mar 04, 2011	20.41	20.43	19.99	20.06	4,886,086	-0.37(-1.82%)
Mar 03, 2011	20.34	20.48	20.14	20.43	18,762,408	+0.42(+2.09%)
Mar 02, 2011	19.97	20.18	19.97	20.01	13,146,740	+0.14(+0.68%)

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