Year	Number
2004-01-01	1.7258
2009-01-01	1.6585
2010-01-01	2.9136
2011-01-01	2.8993
2012-01-01	1.7895
2013-01-01	1.4309
2014-01-01	1.2867
2015-01-01	5.0463