Year	Number
2004-01-01	64.82334869
2005-01-01	58.02171291
2006-01-01	21.18533923
2007-01-01	22.50497898
2008-01-01	20.29324267
2009-01-01	18.27179292
2010-01-01	27.63829787
2011-01-01	32.62796166
2012-01-01	81.09422492
2013-01-01	57.95134867
2014-01-01	54.17977836