Year 2010 = 100 1960 4.1478356168675 1961 4.23289517040142 1962 4.43146636159585 1963 4.76181969210581 1964 5.04335383070425 1965 5.27127652200705 1966 5.39497171356003 1967 5.59638425993536 1968 5.66786762342351 1969 5.81847719079905 1970 6.10755774939256 1971 6.400211418762 1972 6.76819182627925 1973 7.49906297020349 1974 8.93586615636377 1975 10.4505403785668 1976 12.1868105543459 1977 14.274417147842 1978 16.0007671336392 1979 18.3686524290589 1980 22.2378562869468 1981 26.2338431191814 1982 30.557289236041 1983 35.0328860337616 1984 38.8145095180515 1985 42.3877699427438 1986 44.8562416131162 1987 46.9856951996717 1988 49.3623479415055 1989 52.4523476876402 1990 55.838990721391 1991 59.328927249434 1992 62.455911747802 1993 65.3455810784169 1994 67.9932808957477 1995 71.5530164769477 1996 74.4201291680352 1997 75.9406126299779 1998 77.4253165947392 1999 78.7132557275131 2000 80.7107504637521 2001 82.9586783816502 2002 85.0038779193305 2003 87.2756537574471 2004 89.201597564227 2005 90.9725106234272 2006 92.8746038216872 2007 94.5739686397295 2008 97.740146777842 2009 98.497406286648 2010 100 2011 102.780632728793 2012 105.90656520528 2013 107.198618335037 2014 107.457017849343 2015 107.498700856028 2016 107.397634171255 2017 108.714901774357 2018 109.951520340534 2019 110.623595648239 2020 110.471258578492 2021 112.541250526224 2022 121.771084752039 2023 128.617291886527