Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	175.65	175.80	174.15	175.65	47,140	+0.15(+0.09%)
May 23, 2011	178.20	178.20	175.50	175.50	19,535	-4.50(-2.50%)
May 20, 2011	175.95	180.60	173.10	180.00	75,291	+3.00(+1.69%)
May 19, 2011	177.00	177.45	175.35	177.00	21,360	+1.05(+0.60%)
May 18, 2011	176.40	176.40	173.55	175.95	47,424	+0.30(+0.17%)
May 17, 2011	176.85	177.90	175.50	175.65	35,637	-2.25(-1.26%)
May 16, 2011	178.80	181.05	177.75	177.90	31,162	-2.10(-1.17%)
May 13, 2011	180.75	180.90	178.80	180.00	31,885	-1.05(-0.58%)
May 12, 2011	177.15	181.05	175.35	181.05	38,234	+3.45(+1.94%)
May 11, 2011	180.75	181.95	177.60	177.60	48,749	-3.90(-2.15%)
May 10, 2011	178.35	181.50	177.60	181.50	32,695	+4.05(+2.28%)
May 09, 2011	174.15	177.90	172.95	177.45	49,863	+3.15(+1.81%)
May 06, 2011	177.00	178.08	174.30	174.30	60,174	-1.20(-0.68%)
May 05, 2011	174.75	178.35	174.00	175.50	48,914	+0.90(+0.52%)
May 04, 2011	176.40	176.70	174.30	174.60	45,286	-1.35(-0.77%)
May 03, 2011	178.35	178.35	175.65	175.95	44,178	-3.15(-1.76%)
May 02, 2011	179.11	179.25	178.80	179.10	28,844	-0.45(-0.25%)
Apr 29, 2011	176.40	180.00	173.70	179.55	49,850	+3.45(+1.96%)
Apr 28, 2011	174.60	176.25	173.55	176.10	23,177	+1.50(+0.86%)
Apr 27, 2011	170.85	174.60	170.40	174.60	42,906	+3.60(+2.11%)
Apr 26, 2011	170.55	171.15	169.80	171.00	20,177	+1.05(+0.62%)
Apr 25, 2011	169.95	170.25	168.75	169.95	18,063	+0.00(+0.00%)
Apr 21, 2011	169.95	170.10	168.00	169.95	38,735	+1.20(+0.71%)
Apr 20, 2011	162.75	168.90	162.60	168.75	84,374	+7.50(+4.65%)
Apr 19, 2011	160.35	165.60	159.75	161.25	31,183	+1.95(+1.22%)
Apr 18, 2011	159.00	160.50	157.50	159.30	29,155	-1.95(-1.21%)
Apr 15, 2011	159.45	161.55	158.40	161.25	18,473	+1.80(+1.13%)
Apr 14, 2011	158.85	160.05	158.70	159.45	13,178	-0.75(-0.47%)
Apr 13, 2011	160.95	160.95	159.45	160.20	30,046	-0.45(-0.28%)
Apr 12, 2011	161.10	162.90	159.75	160.65	24,117	-1.65(-1.02%)
Apr 11, 2011	164.85	165.30	160.80	162.30	36,379	-3.15(-1.90%)
Apr 08, 2011	169.50	169.95	165.15	165.45	94,509	-3.60(-2.13%)
Apr 07, 2011	167.85	169.50	166.35	169.05	61,811	+1.50(+0.90%)
Apr 06, 2011	166.65	167.85	165.90	167.55	34,292	+1.80(+1.09%)
Apr 05, 2011	165.15	166.95	164.70	165.75	36,880	+0.75(+0.45%)
Apr 04, 2011	165.75	165.75	164.40	165.00	33,672	-0.15(-0.09%)
Apr 01, 2011	165.90	165.90	164.25	165.15	34,341	-0.15(-0.09%)
Mar 31, 2011	164.70	165.45	162.90	165.30	43,295	+0.45(+0.27%)
Mar 30, 2011	164.85	164.85	164.85	164.85	102,574	+4.80(+3.00%)
Mar 29, 2011	155.25	160.20	154.50	160.05	76,494	+5.10(+3.29%)
Mar 28, 2011	157.05	157.65	154.50	154.95	44,043	-2.10(-1.34%)
Mar 25, 2011	158.85	159.30	156.90	157.05	31,709	-1.05(-0.66%)
Mar 24, 2011	159.00	160.05	157.35	158.10	20,108	-0.90(-0.57%)
Mar 23, 2011	158.85	159.00	156.75	159.00	35,506	-0.45(-0.28%)
Mar 22, 2011	161.10	161.10	159.30	159.45	10,182	-1.20(-0.75%)
Mar 21, 2011	160.50	160.80	160.05	160.65	17,405	+0.15(+0.09%)
Mar 18, 2011	158.25	160.50	156.90	160.50	32,488	+3.45(+2.20%)
Mar 17, 2011	159.15	159.30	156.45	157.05	25,042	-0.60(-0.38%)
Mar 16, 2011	156.75	159.75	155.40	157.65	44,915	+1.35(+0.86%)
Mar 15, 2011	155.85	157.80	155.25	156.30	20,796	-1.50(-0.95%)
Mar 14, 2011	158.40	159.90	156.90	157.80	26,808	-1.50(-0.94%)
Mar 11, 2011	156.45	160.20	156.45	159.30	30,846	+1.50(+0.95%)
Mar 10, 2011	160.50	160.80	157.80	157.80	33,491	-3.75(-2.32%)
Mar 09, 2011	161.10	162.45	160.05	161.55	58,307	+0.90(+0.56%)
Mar 08, 2011	159.60	162.00	158.25	160.65	38,618	+1.50(+0.94%)
Mar 07, 2011	157.65	162.45	155.70	159.15	59,591	+3.15(+2.02%)
Mar 04, 2011	157.35	157.95	153.45	156.00	42,469	-1.80(-1.14%)
Mar 03, 2011	156.30	158.40	155.55	157.80	23,099	+3.00(+1.94%)
Mar 02, 2011	155.10	156.75	153.90	154.80	28,870	-0.90(-0.58%)

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