Year	Number
2007-01-01	37711684
2008-01-01	45586924
2009-01-01	61496703
2010-01-01	82288264
2011-01-01	108615111
2012-01-01	263209158
2013-01-01	296816327
2014-01-01	305941024
2015-01-01	307465951
2016-01-01	417063303
2017-01-01	394683214