Year	Number
2004-01-01	492.5147
2005-01-01	487.7955
2006-01-01	480.0071
2007-01-01	185.6645
2008-01-01	200.0144
2009-01-01	85.3736
2010-01-01	150.6780
2011-01-01	74.7634
2012-01-01	79.7928
2013-01-01	77.9809
2014-01-01	86.9774
2015-01-01	79.9393
2016-01-01	244.0696