Year	Number
2006-01-01	150.9408
2007-01-01	162.6799
2008-01-01	176.3134
2009-01-01	154.6381
2010-01-01	188.9623
2011-01-01	208.9946
2012-01-01	217.1701
2013-01-01	218.2151
2014-01-01	236.7007
2015-01-01	262.9676