Year	Number
2004-01-01	70.4545
2005-01-01	88.6364
2006-01-01	88.6364
2007-01-01	86.3636
2008-01-01	97.7273
2009-01-01	102.2727
2010-01-01	109.0909
2011-01-01	113.6364
2012-01-01	118.1818
2013-01-01	127.2727
2014-01-01	125.0000
2015-01-01	122.7273
2016-01-01	113.6364
2017-01-01	111.3636