Year	Number
2004-01-01	29.48742378
2005-01-01	37.56458312
2006-01-01	61.54141104
2007-01-01	61.58075601
2008-01-01	60.06490214
2009-01-01	55.35992521
2010-01-01	64.16466552
2011-01-01	65.20202020
2012-01-01	73.35276361
2013-01-01	84.58518049
2014-01-01	41.06854667