Year	Number
2004-01-01	1.024430621
2005-01-01	1.082618281
2006-01-01	1.126873684
2007-01-01	1.044099689
2008-01-01	1.035084700
2009-01-01	0.699071456
2010-01-01	0.690876011
2011-01-01	0.676943755
2012-01-01	0.676943755
2013-01-01	0.678582844
2014-01-01	0.678582844