Year	Number
2004-01-01	90.5844
2005-01-01	89.2857
2006-01-01	82.7922
2007-01-01	66.2338
2008-01-01	58.9827
2009-01-01	58.8745
2010-01-01	57.5758
2011-01-01	57.0346
2012-01-01	55.5195
2013-01-01	44.4805
2014-01-01	33.5498
2015-01-01	29.1126
2016-01-01	28.5714
2017-01-01	0.0000