Year	Number
2008-01-01	407.0704
2009-01-01	417.2174
2010-01-01	422.2965
2011-01-01	472.7043
2012-01-01	452.5722
2013-01-01	446.4916
2014-01-01	453.0398
2015-01-01	449.6312
2016-01-01	448.3001