Year	Number
2008-01-01	0.8070
2009-01-01	0.8070
2010-01-01	1.0087
2011-01-01	1.2105
2012-01-01	1.5467
2013-01-01	1.4122
2014-01-01	2.4882
2015-01-01	3.2280
2016-01-01	3.0935
2017-01-01	6.1870