Year	Number
2004-01-01	37901
2005-01-01	37728
2006-01-01	37521
2007-01-01	37369
2008-01-01	37365
2009-01-01	37356
2010-01-01	37406
2011-01-01	37450
2012-01-01	37471
2013-01-01	37411
2014-01-01	37383
2015-01-01	37651
2016-01-01	37591
2017-01-01	37464
