Year 2010 = 100 1985 24.8035203541275 1986 27.2149665424027 1987 29.8559265801085 1988 31.7835327614756 1989 34.0610958709162 1990 35.3042958886657 1991 40.49885596283 1992 47.3253422141401 1993 56.8506838885979 1994 58.7757054545435 1995 62.0018224236807 1996 65.8715086327756 1997 70.8598490766486 1998 69.8647979891675 1999 71.9284003685537 2000 71.0834165856345 2001 71.5615075594567 2002 74.5518285241863 2003 73.611990052103 2004 72.3713246466094 2005 73.3123508948959 2006 75.3199519390778 2007 80.437772103249 2008 90.1236529291405 2009 94.2064135573861 2010 100 2011 111.273414605594 2012 123.385187134304 2013 128.080770842787 2014 130.796085435266 2015 132.042842431055 2016 132.706370144271 2017 136.445336799763 2018 136.263355033873 2019 136.563174927495 2020 134.692567714574 2021 135.424149976868 2022 138.58378956189