Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	21.65	21.72	21.39	21.66	825,104	+0.14(+0.64%)
Jan 30, 2012	21.47	21.69	21.41	21.52	865,289	-0.19(-0.87%)
Jan 27, 2012	21.93	21.93	21.71	21.71	945,764	-0.27(-1.25%)
Jan 26, 2012	22.27	22.27	21.87	21.98	473,594	-0.22(-0.97%)
Jan 25, 2012	21.83	22.23	21.80	22.20	595,151	+0.26(+1.17%)
Jan 24, 2012	21.87	22.07	21.78	21.94	742,567	-0.02(-0.10%)
Jan 23, 2012	21.95	22.01	21.81	21.96	981,738	-0.01(-0.05%)
Jan 20, 2012	21.87	21.98	21.65	21.97	1,049,973	+0.11(+0.49%)
Jan 19, 2012	21.62	21.91	21.42	21.87	1,144,365	+0.26(+1.22%)
Jan 18, 2012	21.34	21.61	21.33	21.60	1,145,535	+0.20(+0.92%)
Jan 17, 2012	21.52	21.71	21.23	21.41	1,416,187	+0.38(+1.79%)
Jan 13, 2012	20.94	21.09	20.89	21.03	933,783	-0.04(-0.18%)
Jan 12, 2012	21.38	21.38	21.01	21.07	958,181	-0.25(-1.15%)
Jan 11, 2012	21.37	21.71	21.22	21.31	601,181	-0.10(-0.47%)
Jan 10, 2012	21.30	21.43	21.22	21.41	872,137	+0.33(+1.58%)
Jan 09, 2012	20.52	21.13	20.52	21.08	920,782	+0.37(+1.80%)
Jan 06, 2012	21.07	21.10	20.68	20.71	1,544,354	-0.36(-1.71%)
Jan 05, 2012	21.00	21.14	20.81	21.07	1,441,229	-0.07(-0.35%)
Jan 04, 2012	21.42	21.42	21.14	21.14	918,202	-0.33(-1.53%)
Dec 30, 2011	21.63	21.66	21.46	21.47	859,488	-0.14(-0.63%)
Dec 29, 2011	21.53	21.67	21.50	21.61	561,622	+0.06(+0.26%)
Dec 28, 2011	21.86	21.86	21.52	21.55	367,567	-0.28(-1.27%)
Dec 27, 2011	21.59	21.88	21.53	21.83	658,316	+0.35(+1.63%)
Dec 23, 2011	21.31	21.57	21.26	21.48	389,216	+0.17(+0.78%)
Dec 21, 2011	21.11	21.32	21.01	21.31	902,786	+0.23(+1.08%)
Dec 20, 2011	21.03	21.26	20.92	21.09	894,033	+0.42(+2.03%)
Dec 19, 2011	20.77	21.01	20.61	20.67	640,777	-0.06(-0.30%)
Dec 16, 2011	21.08	21.12	20.63	20.73	1,747,799	-0.25(-1.17%)
Dec 15, 2011	20.87	21.02	20.72	20.97	718,346	+0.30(+1.44%)
Dec 14, 2011	20.65	20.76	20.53	20.67	1,000,541	+0.02(+0.09%)
Dec 13, 2011	21.15	21.15	20.55	20.66	1,321,319	-0.33(-1.59%)
Dec 12, 2011	21.42	21.47	20.78	20.99	1,174,425	-0.51(-2.38%)
Dec 09, 2011	21.45	21.57	21.30	21.50	1,124,291	+0.15(+0.70%)
Dec 08, 2011	21.53	21.68	21.17	21.35	1,272,513	-0.18(-0.83%)
Dec 07, 2011	21.53	21.71	21.33	21.53	5,378,328	-0.04(-0.17%)
Dec 06, 2011	21.50	21.72	21.41	21.57	1,360,132	+0.08(+0.38%)
Dec 05, 2011	21.29	21.73	21.09	21.49	1,597,634	+0.57(+2.73%)
Dec 02, 2011	20.94	21.00	20.59	20.91	1,706,984	-0.30(-1.42%)
Dec 01, 2011	21.26	21.31	20.87	21.22	1,682,013	-0.07(-0.31%)
Nov 30, 2011	20.97	21.28	20.93	21.28	1,514,557	+0.81(+3.96%)
Nov 29, 2011	20.43	20.71	20.36	20.47	941,913	+0.03(+0.14%)
Nov 28, 2011	20.13	20.47	20.13	20.44	1,048,920	+0.75(+3.79%)
Nov 25, 2011	19.77	19.86	19.55	19.70	527,463	-0.01(-0.05%)
Nov 23, 2011	19.75	19.83	19.54	19.71	1,385,366	-0.21(-1.04%)
Nov 22, 2011	19.87	19.97	19.78	19.91	994,653	+0.07(+0.34%)
Nov 21, 2011	19.75	19.97	19.70	19.85	1,157,295	-0.15(-0.77%)
Nov 18, 2011	20.00	20.13	19.92	20.00	879,393	+0.13(+0.63%)
Nov 17, 2011	20.02	20.09	19.74	19.88	620,917	-0.24(-1.21%)
Nov 16, 2011	20.27	20.34	20.06	20.12	1,026,914	-0.27(-1.31%)
Nov 15, 2011	20.02	20.44	20.01	20.39	450,224	+0.25(+1.26%)
Nov 14, 2011	20.32	20.32	20.00	20.13	391,196	-0.18(-0.91%)
Nov 11, 2011	20.02	20.34	19.93	20.32	515,857	+0.57(+2.90%)
Nov 10, 2011	19.79	19.82	19.51	19.74	506,111	+0.24(+1.23%)
Nov 09, 2011	19.82	19.93	19.47	19.50	662,883	-0.75(-3.71%)
Nov 08, 2011	19.94	20.27	19.91	20.26	737,441	+0.33(+1.65%)
Nov 07, 2011	19.99	20.05	19.65	19.93	470,673	+0.04(+0.21%)
Nov 04, 2011	19.80	19.99	19.60	19.89	745,203	-0.17(-0.82%)
Nov 03, 2011	19.78	20.07	19.61	20.05	504,967	+0.38(+1.94%)
Nov 02, 2011	19.54	19.71	19.39	19.67	453,074	+0.26(+1.32%)

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