Year	Number
2004-01-01	76179
2005-01-01	80716
2006-01-01	93433
2007-01-01	109846
2008-01-01	125134
2009-01-01	135530
2010-01-01	155743
2011-01-01	171992
2012-01-01	190073
2013-01-01	203161
2014-01-01	242546
2015-01-01	268125
2016-01-01	280683