Year 2010 = 100 1960 27.5191749343204 1961 27.6292516340577 1962 27.7451785639908 1963 28.3570151386379 1964 28.8464843983555 1965 28.8980074783257 1966 29.4776421279913 1967 30.4630210324226 1968 30.6626729673074 1969 30.5789479623558 1970 30.720636432274 1971 31.2616287719618 1972 31.9121076565866 1973 38.1786022579708 1974 46.7185527630431 1975 47.9035836023593 1976 47.0212508578685 1977 48.50897979201 1978 50.8726010856462 1979 52.9464050544496 1980 57.4611149368446 1981 62.1625959841317 1982 64.597061512727 1983 65.3699077122811 1984 67.0701693513 1985 67.3921886011143 1986 66.4583327766531 1987 66.8061135664524 1988 67.8236943958653 1989 69.4144694899474 1990 71.8167330935613 1991 74.2769601621417 1992 75.9579006461718 1993 77.6968045951682 1994 80.1055085837786 1995 81.4837509729831 1996 82.6108183473333 1997 84.2659972913777 1998 84.0405838165084 1999 84.0546268583358 2000 85.1991347672751 2001 86.0487387978369 2002 85.7117057939776 2003 86.1470400906292 2004 87.5794303570314 2005 87.9517360124626 2006 88.7986248424537 2007 90.6677293693 2008 96.6769886109041 2009 97.2538797862137 2010 100 2011 105.247793398405 2012 110.063514278795 2013 112.659476898612 2014 113.81440330709 2015 113.219588558659 2016 112.616956081526 2017 113.265922901941 2018 113.762730027133 2019 114.405785881945 2020 114.197662689794 2021 116.829758470318 2022 123.980978131334 2023 129.958680443666