Year	Number
2004-01-01	54.3632
2005-01-01	64.1683
2006-01-01	72.9496
2007-01-01	74.6834
2008-01-01	83.5825
2009-01-01	101.9644
2010-01-01	83.3540
2011-01-01	86.1337
2012-01-01	112.5759
2013-01-01	112.5518
2014-01-01	116.3490
2015-01-01	111.3345