Year 2010 = 100 1974 3.03857705919775 1975 3.40243921825504 1976 3.80162780053741 1977 4.30225368374611 1978 4.69134900225421 1979 5.24193654113544 1980 5.95653961636366 1981 6.93508153925869 1982 7.70745588619922 1983 8.51497712352899 1984 9.24534665027727 1985 9.99371824283448 1986 10.9932615154108 1987 12.0708137397458 1988 13.0789294245651 1989 14.5928174342512 1990 16.2558654177117 1991 18.1683705986913 1992 21.1057623358172 1993 24.130387628851 1994 26.6744353320637 1995 29.4785976383479 1996 32.4508827978371 1997 35.2805774747962 1998 37.6307573887633 1999 40.5468762381222 2000 44.034509775931 2001 46.9227498599996 2002 50.6919589272398 2003 55.3505006072386 2004 59.1949823407624 2005 64.2918036779929 2006 71.7208622579467 2007 76.7994154183413 2008 86.5546218487395 2009 93.5026184386796 2010 100 2011 108.459872334086 2012 116.634387283833 2013 123.497862684651 2014 128.934551163777 2015 132.882567987256 2016 136.623156350634 2017 141.143033956383 2018 145.713267399351 2019 149.753698758867 2020 152.584581533137 2021 163.633196988276 2022 182.721938000665 2023 191.981583240697