Year | Value | 2021 | 14.025084701053 | 2020 | 14.055090718743 | 2019 | 14.085096736433 | 2018 | 14.115102754124 | 2017 | 14.145108771814 | 2016 | 14.175114789504 | 2015 | 14.205120807195 | 2014 | 14.235126824885 | 2013 | 14.265132842576 | 2012 | 14.295138860266 | 2011 | 14.325144877956 | 2010 | 14.355150895647 | 2009 | 14.385156913337 | 2008 | 14.415162931027 | 2007 | 14.445168948718 | 2006 | 14.475174966408 | 2005 | 14.505180984098 | 2004 | 14.535187001789 | 2003 | 14.565193019479 | 2002 | 14.59519903717 | 2001 | 14.62520505486 | 2000 | 14.65521107255 | 1999 | 14.685217090241 | 1998 | 14.715223107931 | 1997 | 14.745229125621 | 1996 | 14.775235143312 | 1995 | 14.805241161002 | 1994 | 14.835247178692 | 1993 | 14.865253196383 | 1992 | 14.895259214073 | 1991 | 14.925265231764 | 1990 | 14.955271249454 |
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