Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	79.08	79.71	78.90	79.67	599,366	+0.54(+0.69%)
Apr 28, 2011	80.82	81.27	78.93	79.13	369,583	-1.66(-2.05%)
Apr 27, 2011	80.47	80.90	80.28	80.79	256,524	+0.31(+0.39%)
Apr 26, 2011	79.95	80.55	79.91	80.48	304,671	+0.80(+1.01%)
Apr 25, 2011	80.27	80.45	79.59	79.67	212,048	-0.82(-1.02%)
Apr 21, 2011	80.31	80.51	80.10	80.50	182,378	+0.48(+0.59%)
Apr 20, 2011	79.57	80.14	79.57	80.02	396,872	+1.26(+1.60%)
Apr 19, 2011	78.45	78.96	78.27	78.76	323,294	+0.32(+0.41%)
Apr 18, 2011	78.29	78.56	77.05	78.44	241,975	-0.53(-0.68%)
Apr 15, 2011	78.94	79.04	78.56	78.97	270,789	+0.24(+0.31%)
Apr 14, 2011	78.32	79.03	78.11	78.73	341,230	+0.04(+0.05%)
Apr 13, 2011	78.94	79.11	78.41	78.69	271,808	+0.04(+0.05%)
Apr 12, 2011	77.86	78.81	77.81	78.65	589,379	+0.08(+0.10%)
Apr 11, 2011	78.33	78.89	78.19	78.58	291,067	+0.31(+0.40%)
Apr 08, 2011	78.79	79.13	77.86	78.27	145,507	-0.32(-0.41%)
Apr 07, 2011	79.22	79.25	78.42	78.59	131,381	-0.84(-1.06%)
Apr 06, 2011	79.42	79.44	79.01	79.43	449,343	+0.48(+0.60%)
Apr 05, 2011	78.88	79.12	78.61	78.95	227,876	-0.23(-0.29%)
Apr 04, 2011	78.44	79.19	78.33	79.19	235,392	+0.75(+0.95%)
Apr 01, 2011	78.28	78.57	77.74	78.44	188,105	+0.65(+0.84%)
Mar 31, 2011	77.37	77.92	77.37	77.79	240,785	+0.41(+0.53%)
Mar 30, 2011	77.13	77.43	76.84	77.38	126,948	+0.53(+0.69%)
Mar 29, 2011	76.40	76.85	76.21	76.85	179,640	+0.37(+0.48%)
Mar 28, 2011	77.08	77.35	76.48	76.48	93,143	-0.38(-0.49%)
Mar 25, 2011	76.52	77.15	76.29	76.86	202,125	+0.32(+0.42%)
Mar 24, 2011	77.02	77.08	76.16	76.54	174,669	-0.20(-0.27%)
Mar 23, 2011	76.89	77.01	76.33	76.74	187,203	-0.33(-0.43%)
Mar 22, 2011	76.67	77.14	76.52	77.07	333,878	+0.33(+0.43%)
Mar 21, 2011	76.83	76.97	76.71	76.74	203,408	+1.28(+1.70%)
Mar 18, 2011	75.14	75.53	74.89	75.46	463,389	+0.75(+1.00%)
Mar 17, 2011	75.44	75.83	74.61	74.72	313,945	+0.09(+0.12%)
Mar 16, 2011	75.47	75.84	74.56	74.63	375,136	-1.09(-1.43%)
Mar 15, 2011	75.46	76.04	75.41	75.72	344,763	-0.87(-1.14%)
Mar 14, 2011	76.62	77.06	76.40	76.59	539,652	-0.55(-0.72%)
Mar 11, 2011	75.86	77.29	75.85	77.14	244,792	+0.80(+1.04%)
Mar 10, 2011	76.97	77.24	76.24	76.35	239,099	-1.52(-1.95%)
Mar 09, 2011	77.41	78.03	77.19	77.87	384,772	+0.12(+0.15%)
Mar 08, 2011	77.11	78.21	77.04	77.75	325,680	+0.66(+0.86%)
Mar 07, 2011	77.57	78.19	76.54	77.09	303,120	-0.34(-0.44%)
Mar 04, 2011	77.76	78.16	77.17	77.43	337,639	-0.46(-0.59%)
Mar 03, 2011	77.68	77.94	77.15	77.89	500,652	+0.98(+1.27%)
Mar 02, 2011	77.35	77.35	76.60	76.91	379,436	-0.46(-0.59%)
Mar 01, 2011	78.63	78.63	77.36	77.36	389,404	-0.97(-1.24%)
Feb 28, 2011	78.74	78.74	78.06	78.33	470,571	+0.00(+0.00%)
Feb 25, 2011	78.56	78.87	78.25	78.33	404,620	-0.05(-0.06%)
Feb 24, 2011	78.35	79.29	77.87	78.38	305,563	-0.31(-0.39%)
Feb 23, 2011	80.66	80.76	78.29	78.69	364,823	-1.92(-2.38%)
Feb 22, 2011	81.82	81.82	80.21	80.61	296,216	-1.82(-2.21%)
Feb 18, 2011	82.00	82.59	81.72	82.44	235,007	+0.29(+0.35%)
Feb 17, 2011	82.34	82.34	81.78	82.14	185,569	-0.27(-0.33%)
Feb 16, 2011	82.66	82.97	81.70	82.42	225,194	-0.08(-0.09%)
Feb 15, 2011	82.82	82.82	82.00	82.49	258,819	-0.58(-0.70%)
Feb 14, 2011	83.05	83.27	82.79	83.08	220,122	+0.12(+0.14%)
Feb 11, 2011	82.24	83.01	82.14	82.96	155,356	+0.39(+0.47%)
Feb 10, 2011	82.28	82.57	81.71	82.57	166,572	+0.05(+0.06%)
Feb 09, 2011	81.64	82.69	81.54	82.52	346,512	+0.61(+0.75%)
Feb 08, 2011	83.02	83.21	81.62	81.91	364,807	-1.06(-1.27%)
Feb 07, 2011	82.78	83.23	82.66	82.97	195,924	+0.21(+0.26%)
Feb 04, 2011	83.02	83.13	82.31	82.76	253,840	-0.16(-0.20%)
Feb 03, 2011	82.57	83.55	81.97	82.92	443,075	+0.06(+0.07%)
Feb 02, 2011	83.02	83.86	82.78	82.86	292,574	-0.48(-0.58%)

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