Year	Number
2004-01-01	292.1344
2005-01-01	389.6425
2006-01-01	224.5138
2007-01-01	226.3175
2008-01-01	252.6621
2009-01-01	270.8368
2010-01-01	255.1658
2011-01-01	292.3654
2012-01-01	236.3562
2013-01-01	212.9656
2014-01-01	226.9409
2015-01-01	221.9567
2016-01-01	217.4961