Year	Number
2004-01-01	10175
2005-01-01	10406
2006-01-01	10481
2007-01-01	10620
2008-01-01	10933
2009-01-01	11137
2010-01-01	11525
2011-01-01	11696
2012-01-01	12369
2013-01-01	13054
2014-01-01	13554
2015-01-01	14114
2016-01-01	14889