Year	Number
2006-01-01	24.9169
2007-01-01	34.0532
2008-01-01	39.8671
2009-01-01	50.6645
2010-01-01	55.6478
2011-01-01	62.7907
2012-01-01	72.2591
2013-01-01	81.0631
2014-01-01	91.1960
2015-01-01	98.3389
2016-01-01	103.3223