Year	Number
2005-01-01	568533
2006-01-01	560101
2007-01-01	615890
2008-01-01	657501
2009-01-01	723656
2010-01-01	743021
2011-01-01	762950
2012-01-01	870148
2013-01-01	1186657
2014-01-01	1372952