Year	Number
2004-01-01	21504
2005-01-01	365196.9960
2006-01-01	615185.8850
2007-01-01	895797.9163
2008-01-01	1389332.8567
2009-01-01	2287035.6518
2010-01-01	2637430.3858
2011-01-01	3528331.9477
2012-01-01	5997206.0000
2013-01-01	6472345.0000
2014-01-01	7092647.0000
2015-01-01	10787795.0000