Year	Number
2004-01-01	57.57612571
2005-01-01	81.15404103
2006-01-01	64.62231170
2007-01-01	50.16361637
2008-01-01	50.87626997
2009-01-01	52.00308457
2010-01-01	52.68167160
2011-01-01	123.64231560
2012-01-01	100.27026390
2013-01-01	104.53770040
2014-01-01	39.25597483
