Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	147.70	148.43	146.09	147.27	444	+0.02(+0.01%)
May 30, 2012	148.60	148.60	147.25	147.25	385	-4.30(-2.84%)
May 29, 2012	153.00	153.05	151.55	151.55	280	+4.59(+3.13%)
May 25, 2012	147.20	148.10	146.96	146.96	148,920	-0.29(-0.20%)
May 24, 2012	149.00	149.00	145.65	147.25	690	-4.75(-3.12%)
May 23, 2012	150.95	152.00	149.70	152.00	229	-2.40(-1.55%)
May 22, 2012	157.80	157.80	154.40	154.40	545	+0.40(+0.26%)
May 21, 2012	154.90	154.90	154.00	154.00	316	+1.75(+1.15%)
May 18, 2012	152.45	153.30	151.97	152.25	2,936	-2.25(-1.46%)
May 17, 2012	155.35	155.35	154.50	154.50	80	-3.35(-2.12%)
May 16, 2012	158.15	158.15	157.10	157.85	218	+3.05(+1.97%)
May 15, 2012	155.25	155.25	154.80	154.80	8	-0.05(-0.03%)
May 14, 2012	154.50	156.30	154.50	154.85	142	-4.15(-2.61%)
May 11, 2012	157.40	160.02	157.40	159.00	968	-0.10(-0.06%)
May 10, 2012	159.45	159.45	158.10	159.10	197	-2.40(-1.49%)
May 09, 2012	159.32	161.50	159.32	161.50	96	+1.55(+0.97%)
May 08, 2012	163.10	163.10	159.95	159.95	671	-6.05(-3.64%)
May 07, 2012	165.15	167.10	165.15	166.00	888	+2.56(+1.57%)
May 04, 2012	166.20	166.50	163.44	163.44	566	-7.15(-4.19%)
May 03, 2012	169.80	170.59	169.08	170.59	241	+1.19(+0.70%)
May 02, 2012	168.35	169.40	168.35	169.40	766	+0.90(+0.53%)
May 01, 2012	166.60	168.50	166.60	168.50	557	+2.35(+1.41%)
Apr 30, 2012	166.00	166.60	164.50	166.15	653	-0.20(-0.12%)
Apr 27, 2012	168.02	168.02	166.34	166.35	215	-0.23(-0.14%)
Apr 26, 2012	164.85	166.60	164.85	166.58	853	+2.28(+1.39%)
Apr 25, 2012	164.80	164.80	164.30	164.30	1,125	+3.42(+2.13%)
Apr 24, 2012	160.89	161.50	160.88	160.88	4,082	+2.54(+1.60%)
Apr 23, 2012	158.00	158.34	157.65	158.34	522	-5.11(-3.13%)
Apr 20, 2012	162.95	163.80	162.95	163.45	315	+2.04(+1.26%)
Apr 19, 2012	164.75	164.75	161.40	161.41	1,212	-4.69(-2.82%)
Apr 18, 2012	167.75	167.75	164.85	166.10	1,297	-4.73(-2.77%)
Apr 17, 2012	170.00	170.88	169.25	170.83	798	+0.58(+0.34%)
Apr 16, 2012	171.85	171.85	170.25	170.25	2,765	+3.40(+2.04%)
Apr 13, 2012	169.05	169.05	166.15	166.85	189	-3.40(-2.00%)
Apr 12, 2012	170.10	170.30	169.70	170.25	1,464	+4.25(+2.56%)
Apr 11, 2012	167.05	167.70	165.65	166.00	501	+3.05(+1.87%)
Apr 10, 2012	165.90	166.13	162.25	162.95	1,720	-3.74(-2.24%)
Apr 09, 2012	165.00	167.62	165.00	166.69	568	-0.47(-0.28%)
Apr 05, 2012	169.00	169.45	167.16	167.16	388	-0.09(-0.05%)
Apr 04, 2012	167.45	167.45	165.75	167.25	976	-4.04(-2.36%)
Apr 03, 2012	175.05	175.15	171.29	171.29	1,922	-4.07(-2.32%)
Apr 02, 2012	172.90	176.10	172.90	175.36	1,096	+3.96(+2.31%)
Mar 30, 2012	171.50	171.50	171.40	171.40	390	+3.15(+1.87%)
Mar 29, 2012	167.80	168.25	166.85	168.25	259	-4.28(-2.48%)
Mar 28, 2012	175.35	176.71	172.53	172.53	124	-2.02(-1.16%)
Mar 27, 2012	175.00	175.00	173.32	174.55	2,271	+1.00(+0.58%)
Mar 26, 2012	172.85	173.55	171.90	173.55	229	+2.63(+1.54%)
Mar 23, 2012	169.71	170.92	169.60	170.92	435	+0.92(+0.54%)
Mar 22, 2012	171.05	171.05	170.00	170.00	465	-3.85(-2.21%)
Mar 21, 2012	175.35	175.35	171.03	173.85	134	-1.15(-0.66%)
Mar 20, 2012	174.55	175.37	174.55	175.00	471	-2.55(-1.44%)
Mar 19, 2012	176.40	178.00	176.40	177.55	706	-1.68(-0.94%)
Mar 16, 2012	178.65	179.70	178.65	179.23	451	+1.53(+0.86%)
Mar 15, 2012	174.40	177.70	174.40	177.70	406	+2.90(+1.66%)
Mar 14, 2012	176.31	176.31	174.80	174.80	137	-2.20(-1.24%)
Mar 13, 2012	174.70	177.00	174.70	177.00	1,321	+3.45(+1.99%)
Mar 12, 2012	173.65	174.30	173.55	173.55	237	+3.35(+1.97%)
Mar 09, 2012	171.25	171.25	170.20	170.20	13,056	-1.55(-0.90%)
Mar 08, 2012	171.62	171.75	171.43	171.75	690	+4.90(+2.94%)
Mar 07, 2012	165.15	166.85	164.76	166.85	1,331	+3.45(+2.11%)
Mar 06, 2012	164.70	165.12	163.40	163.40	676	-6.37(-3.75%)
Mar 05, 2012	170.00	170.00	169.00	169.77	339	-0.15(-0.09%)
Mar 02, 2012	171.58	171.58	169.92	169.92	865	-2.32(-1.35%)

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