Year	Number
2004-01-01	480.6708
2005-01-01	492.7209
2006-01-01	446.0673
2007-01-01	450.5036
2008-01-01	458.3389
2009-01-01	476.4733
2010-01-01	555.2981
2011-01-01	602.7509
2012-01-01	660.3220
2013-01-01	830.6548
2014-01-01	873.6179
2015-01-01	908.8628
2016-01-01	1029.6780