Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	21.62	21.69	21.62	21.68	74,748	+0.03(+0.12%)
Feb 27, 2013	21.69	21.69	21.65	21.66	98,569	-0.01(-0.05%)
Feb 26, 2013	21.66	21.67	21.63	21.67	52,720	+0.09(+0.39%)
Feb 22, 2013	21.57	21.61	21.57	21.58	74,557	+0.01(+0.03%)
Feb 21, 2013	21.56	21.60	21.56	21.58	68,098	+0.00(+0.02%)
Feb 20, 2013	21.56	21.58	21.55	21.57	307,642	+0.01(+0.07%)
Feb 19, 2013	21.59	21.59	21.55	21.56	72,854	-0.00(-0.02%)
Feb 15, 2013	21.57	21.58	21.52	21.56	35,166	-0.01(-0.03%)
Feb 14, 2013	21.55	21.57	21.51	21.57	269,288	+0.07(+0.31%)
Feb 13, 2013	21.48	21.54	21.48	21.50	904,303	-0.01(-0.07%)
Feb 12, 2013	21.53	21.54	21.51	21.52	43,684	-0.04(-0.17%)
Feb 11, 2013	21.53	21.56	21.53	21.55	87,234	-0.00(-0.02%)
Feb 08, 2013	21.52	21.56	21.52	21.56	110,023	+0.03(+0.14%)
Feb 07, 2013	21.52	21.56	21.52	21.53	104,631	-0.01(-0.06%)
Feb 06, 2013	21.52	21.56	21.52	21.54	135,949	-0.01(-0.06%)
Feb 04, 2013	21.50	21.56	21.50	21.55	73,812	+0.03(+0.14%)
Feb 01, 2013	21.55	21.58	21.51	21.52	97,322	-0.02(-0.08%)
Jan 31, 2013	21.51	21.56	21.51	21.54	72,017	+0.01(+0.05%)
Jan 30, 2013	21.50	21.57	21.50	21.53	42,568	-0.02(-0.11%)
Jan 29, 2013	21.54	21.58	21.53	21.55	122,695	-0.00(-0.02%)
Jan 28, 2013	21.56	21.57	21.53	21.56	62,504	-0.05(-0.22%)
Jan 25, 2013	21.59	21.62	21.58	21.60	55,913	-0.03(-0.13%)
Jan 24, 2013	21.62	21.67	21.62	21.63	116,823	-0.04(-0.20%)
Jan 23, 2013	21.68	21.69	21.66	21.67	141,404	+0.02(+0.07%)
Jan 22, 2013	21.68	21.68	21.62	21.66	106,405	-0.01(-0.04%)
Jan 18, 2013	21.66	21.67	21.64	21.67	61,464	+0.02(+0.10%)
Jan 17, 2013	21.66	21.68	21.62	21.64	45,241	-0.01(-0.07%)
Jan 16, 2013	21.69	21.70	21.66	21.66	109,062	-0.02(-0.10%)
Jan 15, 2013	21.69	21.69	21.65	21.68	55,156	+0.01(+0.05%)
Jan 14, 2013	21.68	21.69	21.65	21.67	27,713	-0.01(-0.03%)
Jan 11, 2013	21.59	21.68	21.59	21.68	346,903	+0.01(+0.07%)
Jan 10, 2013	21.65	21.69	21.62	21.66	896,970	-0.02(-0.09%)
Jan 09, 2013	21.67	21.69	21.65	21.68	51,386	-0.01(-0.03%)
Jan 08, 2013	21.66	21.69	21.64	21.69	149,623	+0.06(+0.27%)
Jan 07, 2013	21.65	21.67	21.63	21.63	88,096	-0.03(-0.15%)
Jan 04, 2013	21.65	21.66	21.62	21.66	133,665	-0.02(-0.09%)
Jan 03, 2013	21.68	21.72	21.66	21.68	152,203	-0.06(-0.26%)
Jan 02, 2013	21.71	21.74	21.70	21.74	738,635	-0.01(-0.05%)
Dec 31, 2012	21.70	21.77	21.70	21.75	262,574	+0.01(+0.07%)
Dec 28, 2012	21.75	21.77	21.72	21.73	71,925	+0.00(+0.02%)
Dec 27, 2012	21.68	21.74	21.68	21.73	157,308	+0.03(+0.15%)
Dec 26, 2012	21.66	21.70	21.66	21.70	35,560	+0.00(+0.02%)
Dec 24, 2012	21.68	21.70	21.67	21.69	757,679	+0.02(+0.10%)
Dec 21, 2012	21.68	21.68	21.61	21.67	391,675	+0.08(+0.37%)
Dec 20, 2012	21.63	21.66	21.59	21.59	134,017	-0.02(-0.10%)
Dec 19, 2012	21.61	21.64	21.58	21.61	257,876	-0.02(-0.09%)
Dec 18, 2012	21.62	21.66	21.60	21.63	153,824	-0.02(-0.08%)
Dec 17, 2012	21.69	21.74	21.65	21.65	52,745	-0.06(-0.25%)
Dec 14, 2012	21.69	21.71	21.67	21.70	95,977	+0.02(+0.08%)
Dec 13, 2012	21.69	21.70	21.66	21.68	138,924	+0.00(+0.02%)
Dec 12, 2012	21.74	21.74	21.68	21.68	108,614	-0.03(-0.15%)
Dec 11, 2012	21.70	21.74	21.69	21.71	300,771	-0.01(-0.05%)
Dec 10, 2012	21.73	21.76	21.71	21.72	347,695	+0.01(+0.05%)
Dec 07, 2012	21.73	21.77	21.71	21.71	32,598	-0.05(-0.24%)
Dec 06, 2012	21.76	21.79	21.74	21.77	145,853	-0.01(-0.05%)
Dec 05, 2012	21.77	21.78	21.76	21.78	121,729	+0.04(+0.17%)

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