Year	Number
2005-01-01	5.9337
2006-01-01	7.2390
2007-01-01	9.1108
2008-01-01	11.7971
2009-01-01	14.9032
2010-01-01	20.7969
2011-01-01	25.8110
2012-01-01	32.6656
2013-01-01	38.9645
2014-01-01	54.9006
2015-01-01	61.8840
2016-01-01	67.9112
