Year	Number
2004-01-01	1.052984448
2005-01-01	1.217823732
2006-01-01	0.994209412
2007-01-01	1.217522872
2008-01-01	1.424835757
2009-01-01	1.523793122
2010-01-01	1.543535384
2011-01-01	1.337468898
2012-01-01	1.512525511
2013-01-01	1.375882919
2014-01-01	2.568306149