Year	Number
2008-01-01	11.1948
2009-01-01	13.9991
2010-01-01	16.4857
2011-01-01	19.7895
2012-01-01	20.4405
2013-01-01	39.2271
2014-01-01	43.9683
2015-01-01	38.4864
2016-01-01	42.3291