Year	Number
2007-01-01	5.3393
2008-01-01	6.5869
2009-01-01	7.5786
2010-01-01	9.0959
2011-01-01	9.6372
2012-01-01	17.1664
2013-01-01	22.3870
2014-01-01	40.3719
2015-01-01	31.0065
2016-01-01	48.3162