Year	Number
2004-01-01	54211
2005-01-01	59754
2006-01-01	69094
2007-01-01	66239
2008-01-01	80218
2009-01-01	71524
2010-01-01	67162
2011-01-01	69077
2012-01-01	71171
2013-01-01	79934
2014-01-01	88587
2015-01-01	103362
2016-01-01	109390
2017-01-01	95696