Year	Number
2007-01-01	569.9361
2008-01-01	675.5145
2009-01-01	595.2530
2010-01-01	533.0039
2011-01-01	470.5701
2012-01-01	468.8757
2013-01-01	441.7506
2014-01-01	449.6531
2015-01-01	478.1863
2016-01-01	469.1183
2017-01-01	484.7460