Year	Number
2005-01-01	7.9740
2006-01-01	8.9959
2007-01-01	11.9242
2008-01-01	18.3155
2009-01-01	25.6637
2010-01-01	31.1659
2011-01-01	34.2499
2012-01-01	35.6795
2013-01-01	36.2602
2014-01-01	36.4523
2015-01-01	39.9654
2016-01-01	38.3269