Year 2010 = 100 1966 9.57504317909683 1967 9.35301319224266 1968 9.38076694068038 1969 9.94509315703294 1970 10.3906950054258 1971 11.0652652776743 1972 11.9202349142361 1973 12.3511889510409 1974 13.9360850802178 1975 16.4462805270314 1976 18.3607477715543 1977 22.4840233601675 1978 22.5835765660444 1979 24.2862091350484 1980 27.2750782155987 1981 32.6527696563456 1982 36.2869162517009 1983 39.6817260301873 1984 38.2822988873016 1985 37.5876993504071 1986 39.138047335079 1987 39.159185344546 1988 39.1000898342081 1989 38.7718824614085 1990 39.1655494764284 1991 39.3171521894877 1992 39.8651494026592 1993 39.4637545132106 1994 54.918852892507 1995 63.9439444786246 1996 66.9413168760601 1997 72.4645278394312 1998 73.1713021921239 1999 73.1323650898538 2000 74.4945328767797 2001 77.4144141336076 2002 79.7831547572729 2003 79.0411707126895 2004 79.3518647039989 2005 84.7342452917256 2006 86.6229528033106 2007 87.4421229151332 2008 95.0450652277537 2009 98.5746643970597 2010 100 2011 103.563514729039 2012 106.232534720517 2013 108.171697841756 2014 108.378170652492 2015 111.179750599295 2016 112.608909002895 2017 111.503213533868 2018 112.537690648103 2019 113.296929295441 2020 115.222166604613 2021 120.045614301505 2022 129.610336993973