Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	20.81	20.98	20.81	20.85	4,222,511	+0.04(+0.21%)
Dec 29, 2011	20.62	20.82	20.59	20.81	3,039,187	+0.27(+1.29%)
Dec 28, 2011	20.70	20.72	20.50	20.54	1,899,171	-0.19(-0.91%)
Dec 27, 2011	20.56	20.74	20.51	20.73	1,994,082	+0.18(+0.86%)
Dec 23, 2011	20.41	20.66	20.38	20.55	3,088,369	+0.55(+2.75%)
Dec 21, 2011	19.77	20.01	19.71	20.00	5,214,722	+0.25(+1.25%)
Dec 20, 2011	19.62	19.77	19.45	19.76	4,800,809	+0.40(+2.09%)
Dec 19, 2011	19.86	19.98	19.33	19.35	5,225,670	-0.41(-2.08%)
Dec 16, 2011	20.18	20.22	19.72	19.76	7,244,465	-0.35(-1.73%)
Dec 15, 2011	19.80	20.15	19.79	20.11	4,156,015	+0.50(+2.54%)
Dec 14, 2011	19.89	20.01	19.61	19.61	4,841,881	-0.28(-1.40%)
Dec 13, 2011	19.91	20.17	19.80	19.89	4,384,355	+0.04(+0.22%)
Dec 12, 2011	19.90	20.02	19.71	19.85	3,758,210	-0.18(-0.91%)
Dec 09, 2011	20.02	20.08	19.81	20.03	3,512,904	+0.11(+0.57%)
Dec 08, 2011	20.21	20.26	19.88	19.91	3,962,357	-0.34(-1.68%)
Dec 07, 2011	20.24	20.37	20.03	20.26	6,232,117	-0.15(-0.74%)
Dec 06, 2011	20.43	20.53	20.30	20.41	5,495,850	+0.04(+0.21%)
Dec 05, 2011	20.44	20.49	20.22	20.36	5,487,778	+0.17(+0.84%)
Dec 02, 2011	20.55	20.55	20.14	20.19	4,094,564	-0.21(-1.04%)
Dec 01, 2011	20.48	20.62	20.37	20.41	3,786,464	-0.18(-0.88%)
Nov 30, 2011	20.44	20.62	20.39	20.59	5,701,937	+0.62(+3.10%)
Nov 29, 2011	19.86	20.09	19.81	19.97	5,778,467	+0.22(+1.14%)
Nov 28, 2011	19.91	19.97	19.61	19.74	3,552,334	+0.24(+1.22%)
Nov 25, 2011	19.56	19.65	19.49	19.51	1,555,478	+0.02(+0.10%)
Nov 23, 2011	19.69	19.76	19.41	19.49	4,914,992	-0.34(-1.70%)
Nov 22, 2011	20.16	20.18	19.81	19.82	5,217,151	-0.30(-1.49%)
Nov 21, 2011	20.21	20.27	19.96	20.12	17,291,084	-0.31(-1.50%)
Nov 18, 2011	20.51	20.51	20.32	20.43	10,621,570	+0.06(+0.31%)
Nov 17, 2011	20.49	20.53	20.17	20.37	6,308,584	-0.11(-0.55%)
Nov 16, 2011	20.64	20.76	20.44	20.48	5,118,287	-0.31(-1.47%)
Nov 15, 2011	20.89	20.99	20.72	20.79	5,641,555	-0.21(-1.01%)
Nov 14, 2011	21.18	21.28	20.87	21.00	3,069,333	-0.27(-1.26%)
Nov 11, 2011	21.22	21.45	21.22	21.27	4,075,016	+0.26(+1.25%)
Nov 10, 2011	20.95	21.25	20.86	21.01	5,295,788	+0.34(+1.63%)
Nov 09, 2011	21.09	21.11	20.62	20.67	5,532,573	-0.69(-3.25%)
Nov 08, 2011	21.34	21.39	21.09	21.36	4,267,361	+0.01(+0.03%)
Nov 07, 2011	21.23	21.36	21.07	21.36	3,186,198	+0.18(+0.86%)
Nov 04, 2011	21.32	21.32	20.94	21.17	3,981,126	-0.31(-1.45%)
Nov 03, 2011	21.17	21.56	21.09	21.49	7,027,918	+0.49(+2.35%)
Nov 02, 2011	20.63	21.14	20.63	20.99	5,722,878	+0.64(+3.13%)
Nov 01, 2011	20.37	20.92	20.29	20.36	7,135,094	-0.71(-3.35%)
Oct 31, 2011	21.09	21.37	21.06	21.06	4,774,314	-0.18(-0.85%)
Oct 28, 2011	21.47	21.53	21.16	21.24	7,095,061	-0.27(-1.28%)
Oct 27, 2011	21.79	21.85	21.43	21.52	7,480,866	+0.07(+0.35%)
Oct 26, 2011	21.50	21.52	21.25	21.44	3,725,699	+0.23(+1.06%)
Oct 25, 2011	21.36	21.49	21.21	21.22	4,857,056	-0.29(-1.37%)
Oct 24, 2011	21.42	21.51	21.27	21.51	4,476,136	+0.16(+0.73%)
Oct 21, 2011	21.05	21.36	21.04	21.36	4,524,869	+0.48(+2.27%)
Oct 20, 2011	20.69	20.97	20.67	20.88	4,696,580	+0.23(+1.12%)
Oct 19, 2011	20.67	21.01	20.58	20.65	2,901,866	+0.01(+0.03%)
Oct 18, 2011	20.69	20.82	20.50	20.64	6,468,278	-0.11(-0.51%)
Oct 17, 2011	20.62	20.85	20.60	20.75	3,846,063	+0.09(+0.42%)
Oct 14, 2011	20.57	20.68	20.49	20.66	3,485,939	+0.26(+1.29%)
Oct 13, 2011	20.29	20.46	20.14	20.40	5,531,890	+0.01(+0.03%)
Oct 12, 2011	20.59	20.62	20.27	20.39	5,987,275	-0.10(-0.49%)
Oct 11, 2011	20.48	20.52	20.21	20.49	4,750,104	-0.02(-0.09%)
Oct 10, 2011	20.45	20.55	20.37	20.51	5,015,579	+0.31(+1.55%)
Oct 07, 2011	20.46	20.52	20.07	20.20	7,529,780	-0.15(-0.74%)
Oct 06, 2011	20.22	20.36	20.12	20.35	4,194,667	+0.37(+1.85%)
Oct 05, 2011	19.98	20.01	19.61	19.98	6,134,345	+0.05(+0.25%)
Oct 04, 2011	19.98	20.19	19.52	19.93	10,483,048	-0.27(-1.36%)

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