Year	Number
2004-01-01	7882036
2005-01-01	8350579
2006-01-01	8871847
2007-01-01	9423050
2008-01-01	9692280
2009-01-01	10066796
2010-01-01	10303681
2011-01-01	10642783
2012-01-01	10859687
2013-01-01	10708875
2014-01-01	10402059