Year	Number
2007-01-01	2127826
2008-01-01	2959390
2009-01-01	3293371
2010-01-01	3412409
2011-01-01	3380820
2012-01-01	3516744
2013-01-01	3595808
2014-01-01	3722164
2015-01-01	3817856
2016-01-01	3865479