Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	20.71	20.71	20.63	20.68	79,806	+0.03(+0.15%)
Jan 30, 2012	20.62	20.67	20.59	20.65	39,142	-0.04(-0.19%)
Jan 27, 2012	20.74	20.77	20.68	20.69	37,075	-0.06(-0.29%)
Jan 26, 2012	20.72	20.82	20.71	20.75	51,662	+0.04(+0.19%)
Jan 25, 2012	20.59	20.71	20.50	20.71	41,924	+0.05(+0.24%)
Jan 24, 2012	20.61	20.67	20.56	20.66	64,220	+0.06(+0.29%)
Jan 23, 2012	20.58	20.63	20.56	20.60	49,644	+0.05(+0.24%)
Jan 20, 2012	20.54	20.56	20.52	20.55	28,206	+0.00(+0.00%)
Jan 19, 2012	20.48	20.59	20.47	20.55	88,652	+0.04(+0.20%)
Jan 18, 2012	20.46	20.51	20.40	20.51	29,711	+0.08(+0.39%)
Jan 17, 2012	20.50	20.50	20.42	20.43	67,292	-0.11(-0.54%)
Jan 16, 2012	20.53	20.55	20.49	20.54	30,706	+0.12(+0.59%)
Jan 13, 2012	20.43	20.44	20.32	20.42	66,810	-0.02(-0.10%)
Jan 12, 2012	20.54	20.54	20.42	20.44	65,677	-0.03(-0.15%)
Jan 11, 2012	20.47	20.48	20.42	20.47	34,070	-0.01(-0.05%)
Jan 10, 2012	20.46	20.51	20.43	20.48	34,264	+0.06(+0.29%)
Jan 09, 2012	20.44	20.45	20.40	20.42	28,859	+0.09(+0.44%)
Jan 06, 2012	20.40	20.40	20.33	20.33	27,112	-0.11(-0.54%)
Jan 05, 2012	20.54	20.54	20.40	20.44	24,931	-0.09(-0.44%)
Jan 04, 2012	20.57	20.57	20.41	20.53	34,972	+0.02(+0.10%)
Dec 30, 2011	20.50	20.54	20.47	20.51	10,658	+0.01(+0.05%)
Dec 29, 2011	20.40	20.50	20.40	20.50	20,960	+0.12(+0.59%)
Dec 28, 2011	20.25	20.43	20.25	20.38	10,775	+0.02(+0.10%)
Dec 23, 2011	20.29	20.36	20.36	20.36	9,561	-0.03(-0.15%)
Dec 21, 2011	20.35	20.39	20.28	20.39	22,683	+0.04(+0.20%)
Dec 20, 2011	20.25	20.35	20.25	20.35	26,740	+0.26(+1.29%)
Dec 19, 2011	20.14	20.21	20.09	20.09	25,345	-0.04(-0.20%)
Dec 16, 2011	20.10	20.13	19.99	20.13	31,837	+0.14(+0.70%)
Dec 15, 2011	20.11	20.11	19.97	19.99	32,706	+0.04(+0.20%)
Dec 14, 2011	20.00	20.00	19.88	19.95	21,711	-0.05(-0.25%)
Dec 13, 2011	20.13	20.17	20.00	20.00	31,841	-0.06(-0.30%)
Dec 12, 2011	20.02	20.06	20.01	20.06	18,720	-0.07(-0.35%)
Dec 09, 2011	20.00	20.16	20.00	20.13	27,951	+0.13(+0.65%)
Dec 08, 2011	20.10	20.10	20.00	20.00	17,178	-0.12(-0.60%)
Dec 07, 2011	20.14	20.14	20.06	20.12	22,449	-0.06(-0.30%)
Dec 06, 2011	20.08	20.18	20.02	20.18	30,643	+0.13(+0.65%)
Dec 05, 2011	20.04	20.13	20.03	20.05	19,532	+0.03(+0.15%)
Dec 02, 2011	19.91	20.02	19.91	20.02	21,391	+0.14(+0.70%)
Dec 01, 2011	19.83	19.88	19.77	19.88	9,043	+0.11(+0.56%)
Nov 30, 2011	19.75	19.81	19.68	19.77	25,724	+0.37(+1.91%)
Nov 29, 2011	19.28	19.41	19.28	19.40	15,813	+0.22(+1.15%)
Nov 28, 2011	19.34	19.37	19.17	19.18	22,072	+0.24(+1.27%)
Nov 25, 2011	18.83	19.06	18.83	18.94	26,647	+0.02(+0.11%)
Nov 24, 2011	18.93	18.95	18.79	18.92	27,972	+0.06(+0.32%)
Nov 23, 2011	19.20	19.21	18.82	18.86	30,495	-0.50(-2.58%)
Nov 22, 2011	19.51	19.51	19.32	19.36	16,246	-0.16(-0.82%)
Nov 21, 2011	19.70	19.72	19.47	19.52	28,169	-0.22(-1.11%)
Nov 18, 2011	19.85	19.85	19.72	19.74	7,893	-0.01(-0.05%)
Nov 17, 2011	19.83	19.89	19.66	19.75	22,950	-0.12(-0.60%)
Nov 16, 2011	20.00	20.01	19.87	19.87	48,470	-0.19(-0.95%)
Nov 15, 2011	20.05	20.07	19.99	20.06	23,793	-0.05(-0.25%)
Nov 14, 2011	20.22	20.22	20.01	20.11	11,091	-0.14(-0.69%)
Nov 11, 2011	20.11	20.25	20.11	20.25	16,348	+0.27(+1.35%)
Nov 10, 2011	20.05	20.15	19.98	19.98	22,034	-0.02(-0.10%)
Nov 09, 2011	20.17	20.21	20.00	20.00	54,307	-0.40(-1.96%)
Nov 08, 2011	20.45	20.45	20.32	20.40	18,852	+0.01(+0.05%)
Nov 07, 2011	20.43	20.43	20.25	20.39	20,506	-0.03(-0.15%)
Nov 04, 2011	20.40	20.42	20.26	20.42	32,723	-0.03(-0.15%)
Nov 03, 2011	20.46	20.46	20.30	20.45	14,880	+0.25(+1.24%)
Nov 02, 2011	20.19	20.25	20.12	20.20	11,077	+0.15(+0.75%)

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