Year	Number
2007-01-01	250.7062
2008-01-01	270.3265
2009-01-01	235.0722
2010-01-01	214.7345
2011-01-01	207.6805
2012-01-01	203.2431
2013-01-01	208.0389
2014-01-01	210.1959
2015-01-01	211.5355
2016-01-01	213.8414
2017-01-01	221.1317