Year	Number
2004-01-01	750963
2005-01-01	861576
2006-01-01	917743
2007-01-01	1642821
2008-01-01	1879364
2009-01-01	1941086
2010-01-01	1966972
2011-01-01	1972152
2012-01-01	2105026
2013-01-01	2228041
2014-01-01	2384414
2015-01-01	2581430
2016-01-01	2777503
2017-01-01	3072881