Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	76.03	76.54	75.41	76.03	206,932	+1.36(+1.82%)
Mar 30, 2011	75.22	75.36	74.12	74.67	299,693	-0.22(-0.29%)
Mar 29, 2011	73.87	75.36	73.38	74.89	151,200	+0.73(+0.98%)
Mar 28, 2011	73.72	74.57	73.51	74.16	144,804	-0.48(-0.64%)
Mar 25, 2011	74.79	75.12	74.18	74.64	204,589	-0.19(-0.25%)
Mar 24, 2011	74.82	75.58	74.12	74.83	222,959	+0.34(+0.46%)
Mar 23, 2011	73.46	74.62	73.35	74.49	189,963	+1.20(+1.64%)
Mar 22, 2011	73.17	73.80	73.00	73.29	86,824	-0.85(-1.15%)
Mar 21, 2011	74.04	74.21	73.50	74.14	248,927	+1.76(+2.43%)
Mar 18, 2011	71.85	72.70	71.75	72.38	239,610	+1.99(+2.83%)
Mar 17, 2011	70.28	71.62	70.03	70.39	451,771	+1.00(+1.44%)
Mar 16, 2011	70.90	71.60	68.58	69.39	424,616	-0.41(-0.59%)
Mar 15, 2011	70.11	70.36	69.26	69.80	1,199,042	-4.20(-5.68%)
Mar 14, 2011	74.86	74.96	73.76	74.00	312,988	-1.26(-1.67%)
Mar 11, 2011	74.53	76.18	74.01	75.26	549,038	-0.60(-0.79%)
Mar 10, 2011	76.45	76.50	75.48	75.86	970,297	-1.70(-2.19%)
Mar 09, 2011	79.33	79.33	77.25	77.56	242,069	-1.05(-1.34%)
Mar 08, 2011	77.49	78.61	77.14	78.61	224,801	+0.16(+0.20%)
Mar 07, 2011	80.18	80.38	77.61	78.45	272,309	-2.30(-2.85%)
Mar 04, 2011	80.97	81.62	80.07	80.75	116,399	-0.05(-0.06%)
Mar 03, 2011	81.26	81.78	80.45	80.80	145,079	-0.49(-0.60%)
Mar 02, 2011	81.75	81.99	81.17	81.29	178,832	+0.21(+0.26%)
Mar 01, 2011	80.64	81.29	80.37	81.08	219,786	+1.64(+2.06%)
Feb 28, 2011	78.69	79.61	78.61	79.44	206,408	+0.86(+1.09%)
Feb 25, 2011	78.00	78.84	77.85	78.58	248,752	+1.58(+2.05%)
Feb 24, 2011	76.69	77.48	75.93	77.00	654,479	-0.10(-0.13%)
Feb 23, 2011	79.88	80.76	75.91	77.10	953,014	-2.85(-3.56%)
Feb 22, 2011	83.13	83.27	79.47	79.95	441,144	-4.59(-5.43%)
Feb 18, 2011	84.26	85.33	83.99	84.54	262,614	+0.79(+0.95%)
Feb 17, 2011	83.20	83.90	83.10	83.75	77,896	+0.19(+0.23%)
Feb 16, 2011	83.95	83.95	82.81	83.56	161,181	+0.14(+0.17%)
Feb 15, 2011	83.59	83.82	82.95	83.42	159,850	+0.67(+0.81%)
Feb 14, 2011	82.10	83.00	82.10	82.75	148,851	+1.93(+2.39%)
Feb 11, 2011	81.78	81.98	80.00	80.82	102,468	-0.66(-0.81%)
Feb 10, 2011	81.48	82.20	81.17	81.48	99,363	-0.87(-1.05%)
Feb 09, 2011	83.26	83.26	81.77	82.35	101,692	-0.94(-1.13%)
Feb 08, 2011	82.16	83.38	81.56	83.29	242,736	+2.01(+2.47%)
Feb 07, 2011	81.64	81.78	81.19	81.28	89,438	+0.25(+0.31%)
Feb 04, 2011	81.55	82.83	80.79	81.03	183,826	-0.78(-0.95%)
Feb 03, 2011	80.40	81.82	80.07	81.81	155,850	+0.83(+1.02%)
Feb 02, 2011	81.47	81.70	80.38	80.98	142,581	-0.99(-1.21%)
Feb 01, 2011	81.71	81.98	81.22	81.97	198,706	+1.00(+1.24%)
Jan 31, 2011	79.95	81.74	79.94	80.97	182,050	-0.09(-0.11%)
Jan 28, 2011	79.87	81.26	79.83	81.06	205,803	+1.07(+1.34%)
Jan 27, 2011	81.08	81.37	79.63	79.99	260,949	-1.06(-1.31%)
Jan 26, 2011	78.44	81.09	78.44	81.05	142,271	+3.34(+4.30%)
Jan 25, 2011	78.29	78.30	77.18	77.71	332,347	-3.14(-3.88%)
Jan 24, 2011	81.04	81.86	80.27	80.85	196,289	-0.49(-0.60%)
Jan 21, 2011	80.41	81.87	80.09	81.34	396,835	+0.77(+0.96%)
Jan 20, 2011	79.98	81.33	79.00	80.57	270,359	-0.43(-0.53%)
Jan 19, 2011	82.10	82.42	80.10	81.00	235,261	-0.02(-0.02%)
Jan 18, 2011	79.91	81.03	79.75	81.02	468,004	+1.94(+2.45%)
Jan 14, 2011	79.27	79.90	78.29	79.08	256,815	-1.38(-1.72%)
Jan 13, 2011	81.79	81.79	80.11	80.46	309,789	-0.28(-0.35%)
Jan 12, 2011	79.92	80.84	79.58	80.74	242,921	+2.76(+3.54%)
Jan 11, 2011	77.32	77.98	76.62	77.98	181,494	+3.02(+4.03%)
Jan 10, 2011	75.13	75.50	74.30	74.96	275,414	+0.34(+0.46%)
Jan 07, 2011	74.92	76.20	74.36	74.62	334,222	-1.23(-1.62%)
Jan 06, 2011	76.52	76.60	75.49	75.85	382,158	-1.32(-1.71%)
Jan 05, 2011	75.16	77.38	74.54	77.17	402,673	-0.31(-0.40%)
Jan 04, 2011	78.54	78.62	76.14	77.48	539,019	-1.79(-2.26%)

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