Year	Number
2004-01-01	3401.6505
2005-01-01	3445.2464
2006-01-01	3455.5570
2007-01-01	3552.6270
2008-01-01	3779.5884
2009-01-01	3757.7775
2010-01-01	3829.4578
2011-01-01	3812.8807
2012-01-01	3805.0708
2013-01-01	3858.7833
2014-01-01	3764.3540
2015-01-01	3765.9169
2016-01-01	2729.0320