Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	21.95	22.26	21.90	21.97	411,919	+0.02(+0.08%)
Feb 28, 2012	21.95	22.12	21.83	21.95	221,268	-0.05(-0.24%)
Feb 27, 2012	21.87	22.08	21.67	22.00	265,894	-0.04(-0.20%)
Feb 24, 2012	22.09	22.15	21.90	22.05	198,134	-0.08(-0.36%)
Feb 23, 2012	22.23	22.26	22.00	22.12	534,062	-0.26(-1.18%)
Feb 22, 2012	22.39	22.43	22.28	22.39	282,977	-0.08(-0.35%)
Feb 21, 2012	22.35	22.62	22.28	22.47	157,555	+0.12(+0.55%)
Feb 17, 2012	22.25	22.38	22.21	22.34	93,936	+0.13(+0.59%)
Feb 16, 2012	21.99	22.23	21.99	22.21	262,981	+0.18(+0.80%)
Feb 15, 2012	22.05	22.21	21.89	22.04	269,365	+0.04(+0.16%)
Feb 14, 2012	21.88	22.03	21.77	22.00	270,051	-0.03(-0.12%)
Feb 13, 2012	21.87	22.07	21.76	22.03	390,795	+0.36(+1.66%)
Feb 10, 2012	21.58	21.72	21.40	21.67	233,264	-0.01(-0.04%)
Feb 09, 2012	21.86	21.90	21.67	21.68	273,809	-0.16(-0.72%)
Feb 08, 2012	21.99	22.00	21.48	21.83	395,137	-0.22(-0.99%)
Feb 07, 2012	21.86	22.21	21.85	22.05	464,173	+0.02(+0.08%)
Feb 06, 2012	21.82	22.05	21.76	22.04	210,608	+0.18(+0.80%)
Feb 03, 2012	21.99	22.16	21.71	21.86	392,500	+0.08(+0.36%)
Feb 02, 2012	21.80	21.99	21.77	21.78	249,871	+0.01(+0.04%)
Feb 01, 2012	21.66	21.95	21.62	21.77	393,402	+0.26(+1.22%)
Jan 31, 2012	21.83	21.83	21.47	21.51	612,673	-0.18(-0.81%)
Jan 30, 2012	21.59	21.96	21.48	21.69	291,671	+0.03(+0.12%)
Jan 27, 2012	21.29	21.69	21.20	21.66	288,371	+0.34(+1.61%)
Jan 26, 2012	21.57	21.69	21.21	21.32	317,126	-0.22(-1.02%)
Jan 25, 2012	21.82	21.85	21.34	21.54	291,748	-0.37(-1.68%)
Jan 24, 2012	21.90	22.08	21.76	21.90	300,785	-0.08(-0.36%)
Jan 23, 2012	21.95	22.28	21.76	21.98	271,581	+0.01(+0.04%)
Jan 20, 2012	21.80	22.08	21.76	21.98	366,795	+0.11(+0.52%)
Jan 19, 2012	21.98	22.12	21.74	21.86	426,699	-0.09(-0.40%)
Jan 18, 2012	21.54	22.02	21.51	21.95	276,795	+0.34(+1.58%)
Jan 17, 2012	21.46	21.81	21.46	21.61	425,453	+0.25(+1.15%)
Jan 13, 2012	21.31	21.51	21.04	21.36	264,437	-0.25(-1.14%)
Jan 12, 2012	21.53	21.74	21.49	21.61	370,919	+0.12(+0.57%)
Jan 11, 2012	21.23	21.63	21.22	21.48	433,838	+0.19(+0.91%)
Jan 10, 2012	21.14	21.32	21.03	21.29	474,899	+0.31(+1.46%)
Jan 09, 2012	20.90	21.01	20.71	20.98	253,393	+0.13(+0.63%)
Jan 06, 2012	20.85	20.96	20.63	20.85	247,882	-0.03(-0.13%)
Jan 05, 2012	20.46	20.93	20.12	20.88	251,485	+0.25(+1.19%)
Jan 04, 2012	20.57	20.70	20.45	20.63	215,069	+0.23(+1.12%)
Dec 30, 2011	20.68	20.68	20.40	20.40	239,469	-0.18(-0.85%)
Dec 29, 2011	20.59	20.85	20.57	20.58	243,364	+0.01(+0.04%)
Dec 28, 2011	20.63	20.69	20.50	20.57	217,035	-0.16(-0.76%)
Dec 27, 2011	20.56	20.81	20.51	20.73	392,182	+0.09(+0.43%)
Dec 23, 2011	20.54	20.72	20.46	20.64	339,915	+0.59(+2.93%)
Dec 21, 2011	19.62	20.18	19.56	20.05	952,108	+0.43(+2.19%)
Dec 20, 2011	19.46	19.63	19.39	19.62	682,175	+0.53(+2.76%)
Dec 19, 2011	19.50	19.57	19.05	19.10	346,872	-0.15(-0.78%)
Dec 16, 2011	19.39	19.57	19.16	19.24	1,089,687	+0.18(+0.92%)
Dec 15, 2011	19.18	19.30	18.95	19.07	1,165,018	+0.06(+0.32%)
Dec 14, 2011	18.91	19.31	18.88	19.01	4,931,419	-0.56(-2.87%)
Dec 13, 2011	19.53	20.00	19.11	19.57	879,892	-0.82(-4.01%)
Dec 12, 2011	20.34	20.44	20.15	20.39	124,350	-0.11(-0.56%)
Dec 09, 2011	20.44	20.76	20.43	20.50	186,164	+0.17(+0.82%)
Dec 08, 2011	20.60	20.74	20.28	20.33	252,458	-0.45(-2.15%)
Dec 07, 2011	20.32	20.94	20.23	20.78	135,519	+0.32(+1.59%)
Dec 06, 2011	20.25	20.61	20.23	20.46	161,089	+0.18(+0.87%)
Dec 05, 2011	20.33	20.48	20.11	20.28	217,595	+0.23(+1.14%)
Dec 02, 2011	20.36	20.52	19.98	20.05	156,845	-0.11(-0.57%)

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