Year	Number
2004-01-01	9.1822
2005-01-01	13.3194
2006-01-01	24.9550
2007-01-01	33.6816
2008-01-01	42.8983
2009-01-01	59.1958
2010-01-01	46.3465
2011-01-01	60.8778
2012-01-01	73.3690
2013-01-01	61.6120
2014-01-01	76.2349
2015-01-01	94.2898
2016-01-01	91.5866