Year	Number
2004-01-01	335.8845
2005-01-01	337.4997
2006-01-01	329.9894
2007-01-01	337.8400
2008-01-01	327.1501
2009-01-01	302.8893
2010-01-01	241.3578
2011-01-01	214.8906
2012-01-01	220.7191
2013-01-01	227.6306
2014-01-01	225.8538
2015-01-01	231.6935
2016-01-01	252.1635