Year	Number
2004-01-01	0.004196391
2005-01-01	1.047751168
2006-01-01	2.887192536
2007-01-01	3.303824363
2008-01-01	5.814860198
2009-01-01	5.484930481
2010-01-01	4.696725335
2011-01-01	4.719358534
2012-01-01	8.393336534
2013-01-01	18.441124560
2014-01-01	11.009591440