Year 2014-2016 = 100 1961 2.11 1962 2.11 1963 2.11 1964 2.33 1965 2.88 1966 3.04 1967 3.23 1968 3.41 1969 3.42 1970 3.63 1971 3.63 1972 4.01 1973 4.26 1974 4.72 1975 4.81 1976 5.3 1977 5.73 1978 6.31 1979 9.02 1980 31.73 1981 32.63 1982 35.1 1983 35.26 1984 39.98 1985 41.93 1986 45.71 1987 45.46 1988 41.41 1989 45.68 1990 59.26 1991 59.12 1992 61.48 1993 61.94 1994 63.71 1995 65.29 1996 66.1 1997 68.22 1998 69.22 1999 71.66 2000 73.62 2001 75.87 2002 78.69 2003 74.13 2004 77.61 2005 78.32 2006 74.6 2007 79.87 2008 83.02 2009 86.33 2010 87.23 2011 91.4 2012 102.96 2013 97.84 2014 98.53 2015 101.23 2016 100.24 2017 123.49 2018 137.16 2019 160.68 2020 169.14 2021 150.47 2022 139.41