Year	Number
2005-01-01	28.3261790794154
2006-01-01	23.9634882630582
2007-01-01	14.5810176928756
2008-01-01	17.6031780261270
2009-01-01	22.6827493287964
2010-01-01	23.4177006274435
2011-01-01	47.8535319121775
2012-01-01	42.5048276212244
2013-01-01	39.9030480594729
2014-01-01	50.3705750278486