Year	Number
2004-01-01	47.78653730
2005-01-01	68.00485143
2006-01-01	54.59066101
2007-01-01	42.65615525
2008-01-01	43.54154033
2009-01-01	44.77666274
2010-01-01	45.57754614
2011-01-01	107.51252900
2012-01-01	87.68459756
2013-01-01	91.98024488
2014-01-01	34.77775486
