Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	19.93	20.11	19.91	19.97	56,448	+0.01(+0.04%)
Feb 27, 2013	19.71	19.99	19.71	19.96	59,674	+0.18(+0.93%)
Feb 26, 2013	19.70	19.78	19.56	19.78	63,258	-0.31(-1.56%)
Feb 22, 2013	19.98	20.09	19.93	20.09	22,920	+0.23(+1.18%)
Feb 21, 2013	20.00	20.03	19.83	19.86	155,370	-0.15(-0.75%)
Feb 20, 2013	20.24	20.24	20.00	20.01	34,597	-0.24(-1.21%)
Feb 19, 2013	20.25	20.28	20.18	20.25	75,687	+0.07(+0.34%)
Feb 15, 2013	20.21	20.26	20.13	20.18	42,178	-0.07(-0.34%)
Feb 14, 2013	20.21	20.29	20.18	20.25	45,681	+0.00(+0.00%)
Feb 13, 2013	20.39	20.39	20.20	20.25	75,410	-0.14(-0.67%)
Feb 12, 2013	20.31	20.40	20.23	20.39	56,684	+0.15(+0.75%)
Feb 11, 2013	20.15	20.26	20.15	20.24	51,611	+0.08(+0.42%)
Feb 08, 2013	20.12	20.15	20.07	20.15	29,673	+0.08(+0.42%)
Feb 07, 2013	20.09	20.11	19.94	20.07	43,144	-0.02(-0.08%)
Feb 06, 2013	19.92	20.08	19.92	20.08	23,735	+0.32(+1.62%)
Feb 04, 2013	19.92	19.92	19.76	19.76	57,249	-0.27(-1.33%)
Feb 01, 2013	19.83	20.05	19.83	20.03	106,345	+0.27(+1.39%)
Jan 31, 2013	19.68	19.76	19.62	19.76	50,022	+0.05(+0.23%)
Jan 30, 2013	19.84	19.84	19.63	19.71	253,265	-0.05(-0.23%)
Jan 29, 2013	19.79	19.79	19.73	19.76	50,197	-0.02(-0.08%)
Jan 28, 2013	19.79	19.80	19.63	19.77	95,172	+0.01(+0.04%)
Jan 25, 2013	19.80	19.82	19.66	19.76	188,461	+0.01(+0.04%)
Jan 24, 2013	19.77	19.80	19.68	19.76	146,249	+0.02(+0.12%)
Jan 23, 2013	20.04	20.04	19.69	19.73	186,030	-0.08(-0.42%)
Jan 22, 2013	19.75	19.82	19.66	19.82	309,967	+0.15(+0.78%)
Jan 18, 2013	19.77	19.78	19.55	19.66	113,605	-0.07(-0.35%)
Jan 17, 2013	19.63	19.77	19.57	19.73	103,246	+0.24(+1.21%)
Jan 16, 2013	19.44	19.53	19.36	19.50	98,764	+0.07(+0.35%)
Jan 15, 2013	19.27	19.44	19.20	19.43	31,639	+0.11(+0.59%)
Jan 14, 2013	19.37	19.37	19.23	19.31	1,044,229	-0.02(-0.08%)
Jan 11, 2013	19.48	19.48	19.22	19.33	586,740	-0.19(-0.98%)
Jan 10, 2013	19.44	19.53	19.37	19.52	509,514	+0.18(+0.91%)
Jan 09, 2013	19.32	19.47	19.30	19.34	48,442	+0.00(+0.00%)
Jan 08, 2013	19.43	19.44	19.22	19.34	79,271	-0.08(-0.43%)
Jan 07, 2013	19.47	19.50	19.31	19.43	27,155	-0.11(-0.55%)
Jan 04, 2013	19.24	19.55	19.24	19.53	34,448	+0.32(+1.67%)
Jan 03, 2013	19.22	19.26	19.12	19.21	49,056	-0.06(-0.32%)
Jan 02, 2013	19.05	19.28	19.03	19.28	568,147	+0.63(+3.36%)
Dec 31, 2012	18.44	18.66	18.43	18.65	23,419	+0.15(+0.83%)
Dec 28, 2012	18.51	18.61	18.44	18.50	16,764	-0.11(-0.62%)
Dec 27, 2012	18.67	18.67	18.36	18.61	18,839	-0.04(-0.24%)
Dec 26, 2012	18.73	18.73	18.60	18.66	22,882	-0.02(-0.08%)
Dec 24, 2012	18.79	18.79	18.66	18.67	4,161	-0.11(-0.57%)
Dec 21, 2012	18.69	18.80	18.68	18.78	20,418	-0.16(-0.85%)
Dec 20, 2012	18.80	18.94	18.77	18.94	15,680	+0.14(+0.77%)
Dec 19, 2012	18.86	18.96	18.78	18.79	81,418	-0.07(-0.36%)
Dec 18, 2012	18.74	18.87	18.57	18.86	51,242	+0.32(+1.72%)
Dec 17, 2012	18.21	18.54	18.21	18.54	18,587	+0.47(+2.60%)
Dec 14, 2012	18.19	18.19	18.07	18.07	10,120	-0.14(-0.79%)
Dec 13, 2012	18.35	18.36	18.16	18.22	37,749	-0.12(-0.66%)
Dec 12, 2012	18.38	18.49	18.29	18.34	50,720	+0.01(+0.04%)
Dec 11, 2012	18.28	18.38	18.25	18.33	34,521	+0.11(+0.58%)
Dec 10, 2012	18.13	18.29	18.11	18.22	14,350	+0.05(+0.25%)
Dec 07, 2012	18.14	18.18	18.07	18.18	10,377	+0.08(+0.42%)
Dec 06, 2012	18.10	18.11	18.06	18.10	17,973	-0.07(-0.38%)
Dec 05, 2012	18.03	18.17	17.96	18.17	12,169	+0.20(+1.14%)

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