Year 2010 = 100 1974 19.6239818499963 1975 20.957962598134 1976 23.3239033528378 1977 25.6998891432962 1978 27.8662685210306 1979 32.2157690027236 1980 37.7592894011286 1981 42.5681828513208 1982 45.6451203473235 1983 48.1366081143382 1984 49.4372379101876 1985 50.4950391252304 1986 51.0139604759245 1987 52.7004548656802 1988 52.8202059466096 1989 54.3170944582271 1990 58.4485067502914 1991 61.6585010029824 1992 63.7940619462234 1993 66.531704713026 1994 67.2029760500137 1995 68.371214372858 1996 71.3849499095812 1997 71.7016249902615 1998 73.2377652450724 1999 73.9800669401742 2000 74.1041164482331 2001 74.7716896696334 2002 76.1590813551927 2003 76.3159551323929 2004 78.574937524077 2005 81.5084771577223 2006 83.7423597450543 2007 89.8020800107468 2008 98.8417745481357 2009 99.2584313003797 2010 100 2011 103.186031115525 2012 105.867262495862 2013 106.719629261834 2014 106.926514399206 2015 105.072823568355 2016 104.915590863952 2017 107.174776564052 2018 109.665673618007 2019 110.666997682887 2020 109.971863621317 2021 111.701423369745 2022 118.023833167825 2023 123.411122144985