Date	Open	High	Low	Close	Volume	Change (%)
Mar 28, 2013	56.31	56.60	55.76	56.49	473,104	+0.06(+0.11%)
Mar 27, 2013	55.64	56.52	55.19	56.43	540,778	+0.14(+0.25%)
Mar 26, 2013	55.67	56.45	55.64	56.29	726,647	+0.79(+1.42%)
Mar 25, 2013	55.24	56.23	54.83	55.50	639,034	+0.42(+0.76%)
Mar 22, 2013	55.04	55.38	54.70	55.08	275,502	+0.19(+0.35%)
Mar 21, 2013	55.33	55.97	54.83	54.89	682,123	-0.66(-1.19%)
Mar 20, 2013	55.18	55.79	54.83	55.55	540,138	+0.68(+1.24%)
Mar 19, 2013	54.80	54.97	53.76	54.87	624,664	+0.10(+0.17%)
Mar 18, 2013	54.04	55.00	54.04	54.77	491,861	-0.19(-0.35%)
Mar 15, 2013	54.68	55.42	54.56	54.96	896,746	+0.24(+0.44%)
Mar 14, 2013	54.00	54.80	53.56	54.72	934,948	+1.12(+2.09%)
Mar 13, 2013	53.31	53.87	52.45	53.60	962,065	+0.23(+0.43%)
Mar 12, 2013	53.45	53.81	52.86	53.37	872,684	-0.12(-0.22%)
Mar 11, 2013	53.26	53.78	52.79	53.49	492,221	+0.10(+0.19%)
Mar 08, 2013	52.99	53.72	52.99	53.39	751,236	+0.51(+0.96%)
Mar 07, 2013	52.96	53.67	52.56	52.88	680,622	-0.02(-0.04%)
Mar 06, 2013	53.46	53.46	51.69	52.91	938,615	+0.72(+1.38%)
Mar 05, 2013	52.89	54.43	52.12	52.18	768,072	+0.34(+0.66%)
Mar 04, 2013	51.83	52.12	51.21	51.84	699,672	-0.21(-0.39%)
Mar 01, 2013	51.80	52.37	51.27	52.05	980,063	-0.57(-1.08%)
Feb 28, 2013	53.09	53.14	52.61	52.62	822,982	-0.23(-0.43%)
Feb 27, 2013	51.81	53.36	51.81	52.85	1,266,921	+0.91(+1.75%)
Feb 26, 2013	51.69	52.01	51.09	51.94	1,063,275	+0.50(+0.97%)
Feb 25, 2013	54.02	54.18	51.43	51.44	1,468,116	-2.45(-4.55%)
Feb 22, 2013	53.96	54.19	53.28	53.89	580,011	+0.21(+0.38%)
Feb 21, 2013	53.73	55.08	53.17	53.68	1,397,094	-0.15(-0.28%)
Feb 20, 2013	56.42	56.47	53.76	53.83	1,232,166	-2.87(-5.06%)
Feb 19, 2013	57.05	57.60	56.47	56.70	734,476	-0.23(-0.40%)
Feb 15, 2013	56.66	57.17	56.66	56.93	588,701	+0.04(+0.07%)
Feb 14, 2013	55.91	56.96	55.68	56.89	511,292	+0.78(+1.39%)
Feb 13, 2013	56.06	56.60	55.61	56.11	532,742	+0.19(+0.34%)
Feb 12, 2013	56.10	56.26	55.68	55.92	594,408	-0.18(-0.32%)
Feb 11, 2013	56.31	56.72	55.95	56.10	448,443	-0.35(-0.62%)
Feb 08, 2013	55.45	56.55	55.45	56.45	703,162	+1.09(+1.97%)
Feb 07, 2013	55.37	55.76	54.66	55.36	936,814	-0.15(-0.27%)
Feb 06, 2013	53.73	56.40	53.73	55.51	3,215,039	+4.69(+9.24%)
Feb 04, 2013	51.24	51.48	50.63	50.82	470,174	-1.06(-2.04%)
Feb 01, 2013	51.67	52.11	51.24	51.88	583,829	+0.73(+1.44%)
Jan 31, 2013	50.63	51.39	50.59	51.14	577,004	+0.46(+0.90%)
Jan 30, 2013	51.07	51.36	50.45	50.68	499,003	-0.43(-0.83%)
Jan 29, 2013	50.71	51.52	50.61	51.11	515,075	+0.54(+1.06%)
Jan 28, 2013	50.67	50.78	50.18	50.57	417,950	-0.17(-0.33%)
Jan 25, 2013	50.48	50.74	49.82	50.74	447,045	+0.55(+1.10%)
Jan 24, 2013	50.35	50.67	49.68	50.18	594,666	-0.04(-0.08%)
Jan 23, 2013	50.70	50.71	50.06	50.22	639,776	-0.50(-0.98%)
Jan 22, 2013	50.02	51.14	49.43	50.72	808,548	+0.76(+1.52%)
Jan 18, 2013	50.22	50.23	49.61	49.96	580,624	-0.18(-0.36%)
Jan 17, 2013	49.79	50.28	49.64	50.14	756,806	+0.78(+1.58%)
Jan 16, 2013	49.98	49.98	49.12	49.36	976,830	-1.05(-2.08%)
Jan 15, 2013	49.92	50.58	49.86	50.41	571,159	+0.17(+0.35%)
Jan 14, 2013	50.16	50.70	50.06	50.24	536,083	-0.46(-0.90%)
Jan 11, 2013	51.02	51.08	50.34	50.70	528,470	-0.43(-0.83%)
Jan 10, 2013	51.69	51.91	50.52	51.12	891,113	-0.50(-0.96%)
Jan 09, 2013	50.77	51.74	50.56	51.62	948,808	+1.31(+2.61%)
Jan 08, 2013	50.97	51.12	50.20	50.31	543,877	-0.73(-1.44%)
Jan 07, 2013	50.75	51.27	50.58	51.05	406,725	+0.02(+0.03%)
Jan 04, 2013	50.20	51.05	50.10	51.03	418,549	+0.96(+1.91%)
Jan 03, 2013	50.86	51.07	50.03	50.07	843,113	-0.95(-1.86%)

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