Year 2010 = 100 1960 21.3092412797334 1961 21.2707977630436 1962 21.2938638731113 1963 21.9550923595525 1964 21.8666722711776 1965 21.8436061611484 1966 22.0550455027883 1967 23.0641878148471 1968 23.0276664740477 1969 22.9334798581942 1970 23.3563585414548 1971 23.7331050045995 1972 24.5000531617548 1973 27.0873018323506 1974 31.781255215535 1975 33.2075096832608 1976 34.0820996870785 1977 35.7140269689273 1978 37.4497517457152 1979 38.8183409385794 1980 41.4094339608595 1981 45.4261490550629 1982 48.0694512559551 1983 49.8500569163408 1984 51.7928495263723 1985 51.9722904068005 1986 52.3553276711112 1987 52.5071622623698 1988 53.8495180799345 1989 55.3644132056691 1990 56.8137433942992 1991 59.2898757105672 1992 62.1163594444336 1993 64.3131575223467 1994 66.7088037021399 1995 69.0106410694247 1996 71.4181183158851 1997 73.3196361410336 1998 77.1838317213788 1999 79.302189298518 2000 80.519271906486 2001 81.6600566572237 2002 83.1363663346491 2003 84.0422836367056 2004 85.2367523757134 2005 87.7726062146297 2006 90.9405264022545 2007 92.7842120541747 2008 97.8323989582419 2009 98.4030635647886 2010 100 2011 103.174470921513 2012 104.890851524746 2013 107.098816863856 2014 110.464922512914 2015 112.789535077487 2016 115.147475420763 2017 119.605065822363 2018 120.663222796201 2019 121.463089485086 2020 120.079986668888 2021 123.05449091818 2022 127.212131311448 2023 130.378270288285