Year	Number
2008-01-01	406.4334
2009-01-01	404.8267
2010-01-01	388.0130
2011-01-01	367.5795
2012-01-01	368.1658
2013-01-01	353.6038
2014-01-01	339.3245
2015-01-01	340.0826
2016-01-01	340.6346
2017-01-01	343.3360