Year	Number
2007-01-01	54101988
2008-01-01	65779516
2009-01-01	89358398
2010-01-01	115388361
2011-01-01	148136913
2012-01-01	421506468
2013-01-01	471667733
2014-01-01	482450342
2015-01-01	484114567
2016-01-01	636959465
2017-01-01	636227129