Year	Number
2007-01-01	1982369
2008-01-01	2791993
2009-01-01	3113860
2010-01-01	3230599
2011-01-01	3194870
2012-01-01	3322908
2013-01-01	3393293
2014-01-01	3520703
2015-01-01	3611457
2016-01-01	3672384