Year	Number
2004-01-01	353061
2005-01-01	427037
2006-01-01	396524
2007-01-01	686658
2008-01-01	785813
2009-01-01	857815
2010-01-01	870920
2011-01-01	753443
2012-01-01	786819
2013-01-01	782161
2014-01-01	786204
2015-01-01	839909
2016-01-01	896724
2017-01-01	947083