Year	Number
2004-01-01	151362
2005-01-01	172020
2006-01-01	197066
2007-01-01	226173
2008-01-01	328166
2009-01-01	360079
2010-01-01	388874
2011-01-01	508104
2012-01-01	518970
2013-01-01	589437
2014-01-01	684394
2015-01-01	929523
2016-01-01	708437
2017-01-01	804441