Year	Number
2004-01-01	649165
2005-01-01	711608
2006-01-01	798422
2007-01-01	913024
2008-01-01	998027
2009-01-01	1119618
2010-01-01	1250312
2011-01-01	1304317
2012-01-01	1382198
2013-01-01	1483733
2014-01-01	1636623
2015-01-01	1946348
2016-01-01	2049915