Year	Number
2006-01-01	9.5668
2007-01-01	11.9145
2008-01-01	15.4864
2009-01-01	19.6989
2010-01-01	24.6676
2011-01-01	30.1746
2012-01-01	37.3601
2013-01-01	46.5242
2014-01-01	54.7506
2015-01-01	76.7876
2016-01-01	81.4515
