Year	Number
2009-01-01	867.6074
2010-01-01	861.3805
2011-01-01	842.5028
2012-01-01	805.7239
2013-01-01	769.5807
2014-01-01	752.3216
2015-01-01	742.1178
2016-01-01	721.6249
2017-01-01	764.6317
