Year	Number
2005-01-01	1054305
2006-01-01	1228414
2007-01-01	1411822
2008-01-01	1611728
2009-01-01	2276804
2010-01-01	5826311
2011-01-01	6282881
2012-01-01	6994711
2013-01-01	7925161
2014-01-01	8694218
2015-01-01	9460629
2016-01-01	8762614
2017-01-01	11350365