Year	Number
2009-01-01	16.3153
2010-01-01	16.5237
2011-01-01	15.9943
2012-01-01	14.7878
2013-01-01	14.5428
2014-01-01	14.2249
2015-01-01	13.9371
2016-01-01	14.3941