Year	Number
2006-01-01	6.4789
2007-01-01	7.3129
2008-01-01	8.0858
2009-01-01	9.0218
2010-01-01	10.2454
2011-01-01	11.7061
2012-01-01	13.1796
2013-01-01	14.8925
2014-01-01	16.9550
2015-01-01	19.2469
2016-01-01	22.1728