Year	Number
2004-01-01	60407
2005-01-01	66146
2006-01-01	77486
2007-01-01	74153
2008-01-01	88588
2009-01-01	80004
2010-01-01	74465
2011-01-01	75992
2012-01-01	78039
2013-01-01	87624
2014-01-01	97523
2015-01-01	113118
2016-01-01	119764
2017-01-01	106247