Year	Number
2005-01-01	9348492
2006-01-01	10449611
2007-01-01	11540199
2008-01-01	12662817
2009-01-01	12779019
2010-01-01	12391855
2011-01-01	12552503
2012-01-01	12465440
2013-01-01	11931657
2014-01-01	11453619
2015-01-01	10807118
2016-01-01	10430788
2017-01-01	10014789