Year	Number
2009-01-01	217.6482
2010-01-01	224.0304
2011-01-01	227.3389
2012-01-01	245.8709
2013-01-01	270.6377
2014-01-01	270.6673
2015-01-01	261.4667
2016-01-01	236.0094