Year 2010 = 100 1960 24.041191164266 1961 24.4848467950127 1962 25.541611038763 1963 26.4202968315877 1964 27.2341891009765 1965 28.1640946620174 1966 29.5092060763712 1967 30.6911076814071 1968 31.426412074016 1969 32.2086267807763 1970 33.3732864692163 1971 35.5669863836013 1972 37.9357501812349 1973 41.2569000469079 1974 45.2866324097188 1975 48.3192948732668 1976 49.1482009361889 1977 49.7851612088449 1978 50.2973474100632 1979 52.1320136262395 1980 54.2290243166378 1981 57.7486559095695 1982 61.0144012032029 1983 62.8142006147225 1984 64.655571701771 1985 66.8767487936809 1986 67.3785316201579 1987 68.3489993537869 1988 69.6288129032681 1989 71.8257898068905 1990 75.7072261056968 1991 80.1433641788009 1992 83.3787760002361 1993 86.1241237580079 1994 86.8580020534487 1995 88.4212964937199 1996 89.1389538564488 1997 89.6026773559716 1998 89.6187506765555 1999 90.3414760556727 2000 91.7494743368115 2001 92.656895290517 2002 93.252411818155 2003 93.8476167201897 2004 94.6011274286295 2005 95.7098093179335 2006 96.723863632636 2007 97.4322214313128 2008 99.7959672366681 2009 99.316465640817 2010 100 2011 100.231349207651 2012 99.5371949759392 2013 99.3208776033038 2014 99.3077647259499 2015 98.1717745930005 2016 97.7451017375587 2017 98.2668532046593 2018 99.1869606006829 2019 99.5468963730059 2020 98.8243104053428 2021 99.3992842451935 2022 102.21728177187 2023 104.400030506506