Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	21.61	21.96	21.61	21.96	19,397	+0.03(+0.15%)
May 30, 2012	21.94	21.97	21.85	21.93	4,979	-0.34(-1.52%)
May 29, 2012	22.22	22.28	22.15	22.27	2,357	+0.29(+1.33%)
May 25, 2012	21.97	22.00	21.97	21.97	4,142	+0.10(+0.45%)
May 24, 2012	21.94	21.96	21.77	21.88	4,318	-0.03(-0.12%)
May 23, 2012	21.68	21.90	21.53	21.90	9,315	+0.13(+0.61%)
May 22, 2012	21.97	22.10	21.77	21.77	3,078	-0.13(-0.59%)
May 21, 2012	21.58	21.90	21.57	21.90	102,329	+0.38(+1.76%)
May 18, 2012	21.68	21.82	21.47	21.52	86,888	-0.21(-0.98%)
May 17, 2012	22.12	22.12	21.72	21.73	20,196	-0.43(-1.94%)
May 16, 2012	22.39	22.48	22.16	22.16	4,694	-0.09(-0.41%)
May 15, 2012	22.44	22.48	22.25	22.25	7,246	-0.26(-1.14%)
May 14, 2012	22.35	22.59	22.35	22.51	4,401	-0.17(-0.74%)
May 11, 2012	22.86	22.94	22.68	22.68	33,660	-0.15(-0.67%)
May 10, 2012	22.95	22.95	22.83	22.83	2,637	+0.09(+0.41%)
May 09, 2012	22.51	22.83	22.51	22.74	34,544	-0.10(-0.43%)
May 08, 2012	22.72	22.87	22.57	22.84	30,263	-0.07(-0.32%)
May 07, 2012	22.82	22.97	22.82	22.91	11,589	-0.03(-0.15%)
May 04, 2012	23.24	23.24	22.85	22.94	16,372	-0.42(-1.82%)
May 03, 2012	23.62	23.62	23.31	23.37	73,647	-0.30(-1.29%)
May 02, 2012	23.63	23.71	23.59	23.67	7,179	-0.23(-0.97%)
May 01, 2012	23.67	24.05	23.67	23.91	10,472	+0.17(+0.70%)
Apr 30, 2012	23.72	23.74	23.67	23.74	3,033	-0.10(-0.41%)
Apr 27, 2012	23.78	23.84	23.67	23.84	12,890	+0.06(+0.26%)
Apr 26, 2012	23.63	23.78	23.63	23.78	10,660	+0.22(+0.94%)
Apr 25, 2012	23.37	23.55	23.37	23.55	12,226	+0.30(+1.29%)
Apr 24, 2012	23.28	23.29	23.21	23.25	3,923	+0.11(+0.49%)
Apr 23, 2012	23.16	23.18	22.98	23.14	11,456	-0.24(-1.01%)
Apr 20, 2012	23.44	23.44	23.38	23.38	1,079	+0.02(+0.07%)
Apr 19, 2012	23.50	23.64	23.26	23.36	18,403	-0.09(-0.39%)
Apr 18, 2012	23.50	23.52	23.41	23.45	24,734	-0.23(-0.99%)
Apr 17, 2012	23.40	23.72	23.40	23.69	9,142	+0.33(+1.43%)
Apr 16, 2012	23.35	23.43	23.10	23.35	10,597	+0.10(+0.42%)
Apr 13, 2012	23.40	23.40	23.25	23.25	2,866	-0.38(-1.60%)
Apr 12, 2012	23.44	23.68	23.44	23.63	8,652	+0.43(+1.87%)
Apr 11, 2012	23.20	23.31	23.17	23.20	6,760	+0.19(+0.84%)
Apr 10, 2012	23.44	23.44	22.96	23.00	63,291	-0.49(-2.10%)
Apr 09, 2012	23.52	23.54	23.37	23.50	15,457	-0.31(-1.30%)
Apr 05, 2012	23.98	23.98	23.81	23.81	16,463	-0.16(-0.67%)
Apr 04, 2012	24.12	24.12	23.91	23.97	9,868	-0.37(-1.53%)
Apr 03, 2012	24.41	24.45	24.23	24.34	50,969	-0.23(-0.92%)
Apr 02, 2012	24.27	24.56	24.27	24.56	2,888	+0.33(+1.34%)
Mar 30, 2012	24.38	24.41	24.24	24.24	30,254	+0.02(+0.06%)
Mar 29, 2012	24.12	24.22	24.04	24.22	7,683	-0.05(-0.19%)
Mar 28, 2012	24.60	24.60	24.15	24.27	8,567	-0.31(-1.26%)
Mar 27, 2012	24.75	24.76	24.58	24.58	12,822	-0.14(-0.55%)
Mar 26, 2012	24.53	24.72	24.53	24.72	27,956	+0.43(+1.78%)
Mar 23, 2012	24.20	24.34	24.17	24.28	7,642	+0.14(+0.60%)
Mar 22, 2012	24.23	24.25	24.05	24.14	10,116	-0.33(-1.36%)
Mar 21, 2012	24.42	24.51	24.41	24.47	15,881	+0.02(+0.09%)
Mar 20, 2012	24.54	24.58	24.45	24.45	3,462	-0.24(-0.98%)
Mar 19, 2012	24.58	24.81	24.54	24.69	6,429	+0.18(+0.74%)
Mar 16, 2012	24.53	24.53	24.51	24.51	480	-0.04(-0.15%)
Mar 15, 2012	24.32	24.56	24.31	24.55	8,740	+0.26(+1.09%)
Mar 14, 2012	24.46	24.48	24.24	24.28	16,906	-0.15(-0.62%)
Mar 13, 2012	24.03	24.44	24.03	24.44	4,030	+0.53(+2.20%)
Mar 12, 2012	24.01	24.03	23.86	23.91	5,973	-0.10(-0.41%)
Mar 09, 2012	23.84	24.13	23.81	24.01	9,635	+0.24(+1.01%)
Mar 08, 2012	23.65	23.77	23.59	23.77	8,309	+0.28(+1.20%)
Mar 07, 2012	23.28	23.49	23.28	23.49	45,654	+0.24(+1.04%)
Mar 06, 2012	23.47	23.47	23.13	23.25	12,969	-0.45(-1.92%)
Mar 05, 2012	23.86	23.86	23.66	23.70	14,785	-0.26(-1.09%)
Mar 02, 2012	24.10	24.10	23.87	23.96	7,093	-0.20(-0.83%)

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