Year	Number
2005-01-01	60.0332
2006-01-01	85.5447
2007-01-01	101.3452
2008-01-01	112.6930
2009-01-01	131.9253
2010-01-01	137.2141
2011-01-01	157.0413
2012-01-01	169.0235
2013-01-01	230.0663
2014-01-01	242.3244
2015-01-01	286.9783
2016-01-01	331.9950
2017-01-01	306.4387