Year	Number
2007-01-01	26312078
2008-01-01	33070536
2009-01-01	38238384
2010-01-01	46122634
2011-01-01	51238897
2012-01-01	59637795
2013-01-01	67730731
2014-01-01	72578875
2015-01-01	78197971
2016-01-01	84338808