Year	Number
2008-01-01	392.8272
2009-01-01	392.6458
2010-01-01	376.4237
2011-01-01	355.9690
2012-01-01	356.5532
2013-01-01	342.3797
2014-01-01	327.3265
2015-01-01	327.5053
2016-01-01	327.6477
2017-01-01	330.1748