Year 2010 = 100 1980 31.9824591381405 1984 39.8575370165269 1985 41.4646957639131 1986 41.9100126677081 1987 43.4368134807205 1988 44.792853676488 1989 46.5808177864629 1990 49.2995946727919 1991 52.0384610435027 1992 54.0541059764705 1993 56.8733302847083 1994 60.4626514942459 1995 62.4950376641989 1996 64.5106825971666 1997 66.4459695926078 1998 67.6881693768789 1999 69.2317114268756 2000 72.0314565915752 2001 74.1085587734806 2002 76.5654403862613 2003 79.3649524114212 2004 81.3721948111763 2005 84.1370484876733 2006 87.1727337163218 2007 91.8735825241023 2008 100.101768678965 2009 97.9641667608969 2010 100 2011 104.316297421952 2012 104.970852972298 2013 102.480875854163 2014 102.91277219904 2015 103.401364578457 2016 102.438495220917 2017 101.385138831048 2018 105.061405952227 2019 109.534355432857