Year	Number
2008-01-01	8.7052
2009-01-01	12.7750
2010-01-01	17.0698
2011-01-01	18.2664
2012-01-01	20.4501
2013-01-01	48.6668
2014-01-01	56.6294
2015-01-01	64.1893
2016-01-01	34.5489