Year	Number
2005-01-01	8.1533
2006-01-01	9.0134
2007-01-01	9.9931
2008-01-01	11.3769
2009-01-01	11.6939
2010-01-01	12.2799
2011-01-01	12.7620
2012-01-01	13.2830
2013-01-01	14.3095
2014-01-01	14.5706
2015-01-01	14.5304
2016-01-01	13.9989
2017-01-01	13.6897