Year	Number
2004-01-01	76180
2005-01-01	80720
2006-01-01	93438
2007-01-01	109853
2008-01-01	125139
2009-01-01	135538
2010-01-01	155748
2011-01-01	171997
2012-01-01	190073
2013-01-01	203161
2014-01-01	242546
2015-01-01	268125
2016-01-01	280683