Year	Number
2004-01-01	10.7032
2005-01-01	11.4154
2006-01-01	13.6130
2007-01-01	16.3535
2008-01-01	19.9796
2009-01-01	23.4665
2010-01-01	26.5410
2011-01-01	30.9105
2012-01-01	37.9637
2013-01-01	40.6826
2014-01-01	54.9579
2015-01-01	119.2365
2016-01-01	108.5678
2017-01-01	108.2894