Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	23.11	23.14	23.07	23.14	35,271	+0.04(+0.17%)
Jan 30, 2012	23.09	23.12	23.06	23.11	362,226	+0.00(+0.00%)
Jan 27, 2012	23.09	23.11	23.06	23.11	18,537	+0.02(+0.07%)
Jan 26, 2012	23.09	23.15	23.03	23.09	136,533	+0.02(+0.07%)
Jan 25, 2012	22.97	23.10	22.92	23.07	118,987	+0.10(+0.44%)
Jan 24, 2012	22.95	22.97	22.93	22.97	106,876	+0.04(+0.17%)
Jan 23, 2012	22.92	22.97	22.92	22.94	37,652	-0.00(-0.00%)
Jan 20, 2012	23.00	23.00	22.94	22.94	11,372	-0.03(-0.13%)
Jan 19, 2012	23.00	23.00	22.96	22.97	34,761	+0.00(+0.00%)
Jan 18, 2012	22.94	22.97	22.93	22.97	130,397	+0.08(+0.34%)
Jan 17, 2012	22.92	22.96	22.89	22.89	71,502	+0.02(+0.10%)
Jan 13, 2012	22.89	22.89	22.84	22.87	55,939	-0.01(-0.03%)
Jan 12, 2012	22.89	22.91	22.83	22.87	118,729	+0.01(+0.03%)
Jan 11, 2012	22.87	22.90	22.85	22.87	212,692	+0.03(+0.14%)
Jan 10, 2012	22.86	22.90	22.83	22.83	73,187	+0.03(+0.14%)
Jan 09, 2012	22.84	22.84	22.80	22.80	41,576	-0.01(-0.03%)
Jan 06, 2012	22.80	22.83	22.78	22.81	103,799	+0.03(+0.14%)
Jan 05, 2012	22.78	22.83	22.76	22.78	40,682	-0.03(-0.14%)
Jan 04, 2012	22.78	22.81	22.76	22.81	23,525	+0.05(+0.20%)
Dec 30, 2011	22.80	22.80	22.73	22.76	95,391	-0.02(-0.10%)
Dec 29, 2011	22.75	22.79	22.71	22.79	102,134	+0.07(+0.31%)
Dec 28, 2011	22.73	22.73	22.70	22.72	18,568	-0.11(-0.48%)
Dec 27, 2011	22.83	22.83	22.80	22.83	43,389	+0.02(+0.07%)
Dec 23, 2011	22.79	22.81	22.74	22.81	21,984	+0.07(+0.31%)
Dec 21, 2011	22.74	22.74	22.68	22.74	13,072	-0.02(-0.10%)
Dec 20, 2011	22.69	22.77	22.66	22.76	34,074	+0.19(+0.86%)
Dec 19, 2011	22.67	22.68	22.57	22.57	15,214	-0.05(-0.24%)
Dec 16, 2011	22.55	22.68	22.55	22.62	45,978	+0.02(+0.07%)
Dec 15, 2011	22.60	22.66	22.58	22.61	226,725	-0.01(-0.03%)
Dec 14, 2011	22.59	22.62	22.57	22.62	30,480	-0.03(-0.14%)
Dec 13, 2011	22.70	22.71	22.62	22.65	28,900	-0.03(-0.14%)
Dec 12, 2011	22.70	22.70	22.62	22.68	97,325	-0.05(-0.24%)
Dec 09, 2011	22.69	22.74	22.69	22.73	123,531	+0.06(+0.27%)
Dec 08, 2011	22.74	22.74	22.65	22.67	73,087	-0.07(-0.31%)
Dec 07, 2011	22.75	22.78	22.69	22.74	23,035	-0.02(-0.07%)
Dec 06, 2011	22.71	22.76	22.70	22.76	86,337	-0.04(-0.17%)
Dec 05, 2011	22.69	22.94	22.69	22.80	133,683	+0.07(+0.31%)
Dec 02, 2011	22.71	22.73	22.67	22.73	178,719	+0.06(+0.27%)
Dec 01, 2011	22.68	22.73	22.63	22.66	66,706	-0.05(-0.20%)
Nov 30, 2011	22.62	22.71	22.62	22.71	65,177	+0.20(+0.90%)
Nov 29, 2011	22.50	22.52	22.48	22.51	16,190	+0.02(+0.10%)
Nov 28, 2011	22.46	22.49	22.43	22.49	44,223	+0.15(+0.66%)
Nov 25, 2011	22.30	22.38	22.30	22.34	4,517	-0.01(-0.03%)
Nov 23, 2011	22.36	22.39	22.34	22.35	6,797	-0.08(-0.35%)
Nov 22, 2011	22.44	22.46	22.40	22.42	4,411	-0.03(-0.15%)
Nov 21, 2011	22.51	22.51	22.44	22.46	23,702	-0.10(-0.46%)
Nov 18, 2011	22.57	22.60	22.55	22.56	36,999	+0.02(+0.07%)
Nov 17, 2011	22.61	22.62	22.52	22.55	27,051	-0.15(-0.65%)
Nov 16, 2011	22.71	22.74	22.66	22.69	70,513	-0.06(-0.28%)
Nov 15, 2011	22.75	22.77	22.70	22.76	12,900	+0.05(+0.22%)
Nov 14, 2011	22.77	22.77	22.70	22.71	35,766	-0.09(-0.39%)
Nov 11, 2011	22.71	22.80	22.71	22.80	14,824	+0.08(+0.34%)
Nov 10, 2011	22.74	22.74	22.69	22.72	29,434	+0.03(+0.14%)
Nov 09, 2011	22.79	22.81	22.69	22.69	36,774	-0.19(-0.85%)
Nov 08, 2011	22.83	22.88	22.83	22.88	30,458	+0.02(+0.10%)
Nov 07, 2011	22.78	22.86	22.78	22.86	33,228	+0.04(+0.17%)
Nov 04, 2011	22.80	22.82	22.76	22.82	17,767	-0.02(-0.07%)
Nov 03, 2011	22.76	22.84	22.76	22.83	32,081	+0.07(+0.31%)
Nov 02, 2011	22.71	22.76	22.69	22.76	14,559	+0.05(+0.24%)

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