Year	Number
2004-01-01	0.3779
2008-01-01	0.7631
2010-01-01	2.1937
2011-01-01	2.7834
2012-01-01	3.1022
2013-01-01	10.0805
2014-01-01	8.8030
2015-01-01	10.1594
2016-01-01	10.1246
2017-01-01	10.6381