Year	Ratio
1995-01-01	1.15092003345490
1996-01-01	1.25490999221802
1997-01-01	1.23002994060516
1999-01-01	1.28980004787445
2000-01-01	1.32369005680084
2001-01-01	1.29040002822876
2002-01-01	1.33787000179291
2003-01-01	1.32140994071960
2004-01-01	1.35125994682312
2005-01-01	1.45616996288300
2006-01-01	1.38438999652863
2007-01-01	1.38740003108978
2008-01-01	1.44568002223969
2009-01-01	1.38955998420715
2010-01-01	1.33619999885559
2011-01-01	1.34887003898621
2012-01-01	1.31712996959686
2013-01-01	1.29166996479034
2014-01-01	1.31619000434875
2015-01-01	1.34150004386902