2007-02-28 00:00:00,14.84147,15.15378,14.80942,15.07147,125707000000.0
2007-03-31 00:00:00,15.06397,15.33548,15.03323,15.29147,187320000000.0
2007-04-30 00:00:00,15.26347,15.6028,15.22107,15.58248,227934000000.0
2007-05-31 00:00:00,15.58497,15.88194,15.43821,15.74288,267853000000.0
2007-06-30 00:00:00,15.74274,15.81948,15.07429,15.21721,264083000000.0
2007-07-31 00:00:00,15.21867,15.30266,14.29557,14.83908,302533000000.0
2007-08-31 00:00:00,14.85298,14.95124,14.47053,14.75018,271308000000.0
2007-09-30 00:00:00,14.77342,15.20962,14.61261,14.77675,289370000000.0
2007-10-31 00:00:00,14.777,14.94243,13.76562,14.10189,295813000000.0
2007-11-30 00:00:00,14.11514,14.69526,14.04926,14.37339,263690000000.0
2007-12-31 00:00:00,14.3895,14.39447,13.43534,13.60214,301785000000.0
2008-01-31 00:00:00,13.61291,13.92071,13.48879,13.52381,281595000000.0
2008-02-29 00:00:00,13.53619,13.53637,12.31364,12.73637,286128000000.0
2008-03-31 00:00:00,12.75367,13.44578,12.73177,13.34291,296911000000.0
2008-04-30 00:00:00,13.35293,13.56266,13.14663,13.50488,307499000000.0
2008-05-31 00:00:00,13.50392,13.89405,13.29679,13.58582,276133000000.0
2008-06-30 00:00:00,13.61894,13.88712,13.30684,13.83578,320771000000.0
2008-07-31 00:00:00,13.84735,14.16005,13.73801,13.92595,312201000000.0
2008-08-31 00:00:00,13.88074,13.97733,13.29484,13.37652,301823000000.0
2008-09-30 00:00:00,13.38857,13.70763,11.7181,12.70793,333108000000.0
2008-10-31 00:00:00,12.71758,12.96711,12.05702,12.30976,300984000000.0
2008-11-30 00:00:00,12.28694,12.30501,11.23344,11.64093,307817000000.0
2008-12-31 00:00:00,11.65213,12.19694,11.22052,11.57996,323926000000.0
2009-01-31 00:00:00,11.5517,12.72381,11.41072,12.56644,294612000000.0
2009-02-28 00:00:00,12.51938,12.84314,12.06015,12.55953,308573000000.0
2009-03-31 00:00:00,12.559,13.08522,12.3225,12.58594,324467000000.0
2009-04-30 00:00:00,12.59777,12.85326,12.09185,12.28312,327172000000.0
2009-05-31 00:00:00,12.29901,12.75694,12.17242,12.38312,309326000000.0
2009-06-30 00:00:00,12.39699,12.50831,11.82815,12.3152,341590000000.0
2009-07-31 00:00:00,12.31696,12.61156,12.01285,12.0608,313962000000.0
2009-08-31 00:00:00,12.03248,12.04697,11.43993,11.62465,313689000000.0
2009-09-30 00:00:00,11.62551,11.90839,11.35057,11.61848,348326000000.0
2009-10-31 00:00:00,11.56613,11.77708,10.94506,11.15131,303299000000.0
2009-11-30 00:00:00,11.1619,11.95844,11.07346,11.9116,345782000000.0
2009-12-31 00:00:00,11.91901,11.91901,11.9117,11.9118,12000000.0
