Year	Number
2005-01-01	141.8991
2006-01-01	169.9508
2007-01-01	188.9843
2008-01-01	197.4411
2009-01-01	199.3936
2010-01-01	212.3292
2011-01-01	231.3900
2012-01-01	252.5116
2013-01-01	272.0956
2014-01-01	285.6213
2015-01-01	294.4928
2016-01-01	301.3084