Year	Number
2005-01-01	159.5549
2006-01-01	186.8460
2007-01-01	205.2327
2008-01-01	213.6195
2009-01-01	216.9576
2010-01-01	230.6749
2011-01-01	250.8256
2012-01-01	272.8814
2013-01-01	294.4912
2014-01-01	308.1027
2015-01-01	317.2314
2016-01-01	324.3028