Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.81	20.83	20.28	20.46	219,289	-0.28(-1.37%)
May 23, 2011	20.93	21.17	20.61	20.74	162,313	-0.56(-2.63%)
May 20, 2011	21.54	21.54	21.18	21.30	118,755	-0.28(-1.32%)
May 19, 2011	21.34	21.78	21.06	21.58	256,039	+0.25(+1.16%)
May 18, 2011	21.35	21.66	21.23	21.34	221,122	-0.04(-0.17%)
May 17, 2011	21.26	21.55	21.16	21.37	314,575	+0.03(+0.13%)
May 16, 2011	21.24	21.90	21.07	21.35	340,423	+0.32(+1.53%)
May 13, 2011	21.56	21.58	20.85	21.02	154,181	-0.39(-1.84%)
May 12, 2011	20.23	21.46	20.23	21.42	364,594	+1.18(+5.83%)
May 11, 2011	21.03	21.04	19.94	20.24	432,264	-0.76(-3.62%)
May 10, 2011	20.71	21.08	20.63	21.00	178,148	+0.27(+1.33%)
May 09, 2011	20.69	21.19	20.54	20.72	380,123	-0.16(-0.75%)
May 06, 2011	20.50	20.92	20.27	20.88	342,144	+0.58(+2.84%)
May 05, 2011	22.09	22.09	19.84	20.30	573,984	-1.83(-8.27%)
May 04, 2011	22.03	22.34	21.65	22.13	253,761	-0.10(-0.45%)
May 03, 2011	22.76	22.78	22.08	22.23	154,103	-0.56(-2.45%)
May 02, 2011	22.79	22.80	22.74	22.79	122,733	+0.00(+0.00%)
Apr 29, 2011	22.88	22.92	22.64	22.79	127,372	+0.09(+0.40%)
Apr 28, 2011	23.09	23.09	22.63	22.70	160,957	-0.36(-1.55%)
Apr 27, 2011	23.04	23.11	22.80	23.06	62,920	+0.09(+0.40%)
Apr 26, 2011	22.92	23.09	22.81	22.96	108,508	+0.06(+0.28%)
Apr 25, 2011	23.07	23.07	22.76	22.90	81,478	-0.23(-0.99%)
Apr 21, 2011	22.74	23.16	22.73	23.13	78,049	+0.41(+1.81%)
Apr 20, 2011	22.71	23.06	22.57	22.72	149,571	+0.27(+1.18%)
Apr 19, 2011	23.36	23.42	22.35	22.45	276,199	-0.95(-4.07%)
Apr 18, 2011	23.18	23.41	22.91	23.40	100,114	+0.18(+0.79%)
Apr 15, 2011	23.03	23.50	23.03	23.22	134,239	+0.23(+1.00%)
Apr 14, 2011	22.93	23.18	22.73	22.99	155,843	+0.04(+0.16%)
Apr 13, 2011	22.96	23.52	22.88	22.96	236,514	+0.27(+1.21%)
Apr 12, 2011	23.43	23.43	22.66	22.68	246,837	-0.81(-3.43%)
Apr 11, 2011	23.71	23.71	23.37	23.49	109,527	-0.22(-0.93%)
Apr 08, 2011	23.98	24.05	23.57	23.71	127,139	-0.21(-0.88%)
Apr 07, 2011	24.08	24.19	23.84	23.92	209,059	+0.01(+0.04%)
Apr 06, 2011	23.59	23.93	23.39	23.91	184,559	+0.49(+2.07%)
Apr 05, 2011	23.47	23.73	23.37	23.42	173,109	-0.04(-0.16%)
Apr 04, 2011	23.29	23.49	23.03	23.46	133,827	+0.16(+0.67%)
Apr 01, 2011	23.26	23.47	23.04	23.30	81,508	+0.12(+0.51%)
Mar 31, 2011	23.49	23.57	23.03	23.18	138,816	-0.29(-1.25%)
Mar 30, 2011	22.96	23.57	22.56	23.48	436,050	+0.66(+2.89%)
Mar 29, 2011	22.60	22.96	22.52	22.82	172,550	+0.33(+1.47%)
Mar 28, 2011	22.88	23.03	22.49	22.49	147,620	-0.36(-1.56%)
Mar 25, 2011	22.98	23.12	22.71	22.85	194,965	-0.08(-0.36%)
Mar 24, 2011	23.05	23.18	22.83	22.93	159,615	-0.06(-0.28%)
Mar 23, 2011	22.91	23.10	22.48	22.99	158,341	+0.09(+0.40%)
Mar 22, 2011	22.74	22.96	22.51	22.90	147,370	+0.38(+1.67%)
Mar 21, 2011	22.81	22.84	22.49	22.53	167,212	-0.26(-1.12%)
Mar 18, 2011	23.00	23.05	22.62	22.78	207,643	+0.04(+0.16%)
Mar 17, 2011	22.93	23.00	22.42	22.74	262,768	+0.21(+0.93%)
Mar 16, 2011	22.38	23.16	22.20	22.53	504,921	+0.32(+1.44%)
Mar 15, 2011	22.29	22.37	21.73	22.21	362,811	+0.49(+2.23%)
Mar 14, 2011	21.34	21.89	21.11	21.73	370,782	+0.43(+2.02%)
Mar 11, 2011	21.25	21.43	21.08	21.30	189,366	+0.07(+0.34%)
Mar 10, 2011	21.45	21.53	21.11	21.23	310,162	-0.31(-1.44%)
Mar 09, 2011	21.73	21.81	21.37	21.54	573,409	-0.25(-1.13%)
Mar 08, 2011	21.86	22.05	21.65	21.78	295,240	+0.04(+0.17%)
Mar 07, 2011	22.18	22.33	21.59	21.75	268,934	-0.45(-2.02%)
Mar 04, 2011	22.39	22.39	21.78	22.19	147,663	-0.21(-0.94%)
Mar 03, 2011	22.44	22.51	22.21	22.40	168,986	+0.08(+0.37%)
Mar 02, 2011	22.32	22.45	22.04	22.32	285,533	-0.09(-0.41%)

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