Year	Number
2006-01-01	182.4802
2007-01-01	213.8805
2008-01-01	228.5321
2009-01-01	217.2089
2010-01-01	231.6948
2011-01-01	236.0280
2012-01-01	651.1448
2013-01-01	646.3500
2014-01-01	660.4792
2015-01-01	724.5401
2016-01-01	744.1705
2017-01-01	746.3578