Year 2010 = 100 1985 20.8951543874346 1986 22.4483608635672 1987 24.2784281353335 1988 24.5988205026074 1989 27.7801077580943 1990 29.6136575555917 1991 31.2805116272042 1992 34.4529240489427 1993 37.6812816054137 1994 39.2368623587608 1995 41.8044405029745 1996 43.7614343844879 1997 45.7855525564604 1998 49.4628955139399 1999 51.4781009991274 2000 53.1532331319081 2001 55.6593529791016 2002 57.8276773194462 2003 60.8069022991322 2004 67.1111328986714 2005 75.2487931250063 2006 79.945095347811 2007 85.7443992352565 2008 92.0437276337074 2009 94.0879454875239 2010 100 2011 105.686319595759 2012 110.867514550585 2013 115.445347020587 2014 119.525611071366 2015 123.415843264796 2016 125.232167135102 2017 128.055246473499 2018 131.983161831254 2019 135.018896797734 2020 138.240035711831 2021 143.168520868821 2022 156.80570371963 2023 164.572369168803