Year	Number
2005-01-01	219.6139
2006-01-01	304.4629
2007-01-01	347.8675
2008-01-01	402.6221
2009-01-01	424.0722
2010-01-01	476.1967
2011-01-01	482.5944
2012-01-01	560.8046
2013-01-01	567.4547
2014-01-01	564.5625
2015-01-01	521.9123
2016-01-01	468.5711
2017-01-01	546.3803
