Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	72.70	73.23	72.35	73.17	292,265	+0.49(+0.67%)
Feb 28, 2012	72.90	73.29	71.96	72.68	171,312	-0.25(-0.34%)
Feb 27, 2012	72.88	73.32	72.54	72.93	176,081	+0.05(+0.07%)
Feb 24, 2012	72.67	72.88	72.21	72.88	252,460	+0.53(+0.73%)
Feb 23, 2012	72.13	72.39	71.64	72.35	135,073	+0.50(+0.70%)
Feb 22, 2012	72.06	72.53	71.07	71.85	237,269	-0.19(-0.26%)
Feb 21, 2012	71.50	72.06	71.29	72.04	253,684	+0.80(+1.12%)
Feb 17, 2012	70.86	71.60	70.43	71.24	229,923	+0.36(+0.51%)
Feb 16, 2012	70.36	70.93	70.15	70.88	350,379	+0.71(+1.01%)
Feb 15, 2012	69.71	70.17	69.27	70.17	482,365	+0.81(+1.17%)
Feb 14, 2012	69.51	69.89	69.25	69.36	347,954	-0.17(-0.24%)
Feb 13, 2012	69.50	69.73	69.27	69.53	247,926	+0.26(+0.38%)
Feb 10, 2012	68.84	69.43	68.29	69.27	263,354	+0.26(+0.38%)
Feb 09, 2012	69.05	69.25	68.87	69.01	208,445	+0.01(+0.01%)
Feb 08, 2012	68.25	69.10	68.13	69.00	361,241	+0.55(+0.80%)
Feb 07, 2012	68.20	68.86	67.51	68.45	333,591	+0.24(+0.35%)
Feb 06, 2012	67.70	68.21	67.19	68.21	148,023	+0.35(+0.52%)
Feb 03, 2012	67.43	67.95	66.90	67.86	202,865	-0.14(-0.21%)
Feb 02, 2012	67.49	68.21	67.24	68.00	242,388	+0.41(+0.61%)
Feb 01, 2012	67.17	67.83	67.01	67.59	236,864	+0.51(+0.76%)
Jan 31, 2012	67.25	67.58	67.00	67.08	344,762	+0.06(+0.09%)
Jan 30, 2012	66.90	67.02	66.46	67.02	160,725	+0.07(+0.10%)
Jan 27, 2012	67.19	67.45	66.77	66.95	238,864	-0.11(-0.16%)
Jan 26, 2012	67.79	67.79	66.65	67.06	213,701	-0.38(-0.56%)
Jan 25, 2012	66.79	67.52	66.66	67.44	223,760	+0.59(+0.88%)
Jan 24, 2012	66.65	67.03	66.26	66.85	268,585	+0.06(+0.09%)
Jan 23, 2012	66.50	67.30	66.48	66.79	160,599	+0.51(+0.77%)
Jan 20, 2012	65.84	66.30	65.46	66.28	250,357	+0.59(+0.90%)
Jan 19, 2012	66.15	66.15	65.52	65.69	315,670	-0.23(-0.35%)
Jan 18, 2012	66.39	66.47	65.61	65.92	256,452	-0.41(-0.62%)
Jan 17, 2012	65.31	66.45	65.14	66.33	310,147	+1.21(+1.86%)
Jan 13, 2012	64.95	65.26	64.34	65.12	354,651	+0.11(+0.17%)
Jan 12, 2012	65.55	65.55	64.81	65.01	317,740	-0.32(-0.49%)
Jan 11, 2012	65.51	65.79	65.04	65.33	309,577	-0.57(-0.86%)
Jan 10, 2012	67.22	67.22	65.40	65.90	467,178	-1.14(-1.70%)
Jan 09, 2012	68.74	68.80	66.33	67.04	426,897	-1.89(-2.74%)
Jan 06, 2012	68.33	69.18	65.48	68.93	1,009,641	-0.01(-0.01%)
Jan 05, 2012	69.57	69.60	68.88	68.94	201,751	-0.46(-0.66%)
Jan 04, 2012	68.72	69.52	68.51	69.40	166,536	+0.52(+0.75%)
Dec 30, 2011	68.97	69.01	68.00	68.88	189,017	-0.09(-0.13%)
Dec 29, 2011	67.76	69.21	67.50	68.97	245,527	+1.50(+2.22%)
Dec 28, 2011	67.84	67.84	66.95	67.47	164,637	-0.25(-0.37%)
Dec 27, 2011	66.92	67.80	66.85	67.72	156,547	+0.49(+0.73%)
Dec 23, 2011	66.42	67.30	66.32	67.23	221,602	+1.30(+1.97%)
Dec 21, 2011	65.00	65.97	64.92	65.93	217,763	+0.62(+0.95%)
Dec 20, 2011	66.00	66.00	64.52	65.31	304,709	+0.08(+0.12%)
Dec 19, 2011	65.82	66.12	65.09	65.23	333,085	-0.19(-0.29%)
Dec 16, 2011	66.08	66.12	65.25	65.42	330,129	-0.37(-0.56%)
Dec 15, 2011	65.64	66.12	65.45	65.79	288,981	+0.55(+0.84%)
Dec 14, 2011	64.92	65.52	64.76	65.24	272,023	+0.06(+0.09%)
Dec 13, 2011	65.04	65.36	64.65	65.18	158,907	+0.39(+0.60%)
Dec 12, 2011	64.50	65.05	64.31	64.79	116,503	-0.02(-0.03%)
Dec 09, 2011	65.05	65.25	64.50	64.81	210,358	+0.03(+0.05%)
Dec 08, 2011	65.31	65.71	64.70	64.78	173,339	-0.69(-1.05%)
Dec 07, 2011	65.28	65.97	65.18	65.47	137,176	-0.21(-0.32%)
Dec 06, 2011	65.12	65.74	64.78	65.68	158,877	+0.64(+0.98%)
Dec 05, 2011	65.13	65.50	64.85	65.04	147,206	+0.14(+0.22%)
Dec 02, 2011	64.63	65.15	64.09	64.90	220,016	+0.53(+0.82%)

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