Year Number 1950 101.064 1951 101.344 1952 100.913 1953 100.633 1954 100.614 1955 100.64 1956 100.732 1957 100.95 1958 101.072 1959 101.054 1960 101.053 1961 101.77 1962 102.531 1963 103.315 1964 103.903 1965 103.965 1966 105.568 1967 106.635 1968 107.286 1969 108.048 1970 109.55 1971 110.413 1972 111.224 1973 112.045 1974 112.579 1975 112.541 1976 112.349 1977 111.843 1978 111.02 1979 109.979 1980 108.854 1981 108.088 1982 106.999 1983 105.826 1984 104.834 1985 104.131 1986 103.469 1987 103.103 1988 102.926 1989 102.82 1990 102.789 1991 102.907 1992 102.98 1993 103.016 1994 103.002 1995 102.912 1996 103.059 1997 102.805 1998 102.271 1999 101.504 2000 100.41 2001 99.124 2002 97.83 2003 96.364 2004 94.631 2005 92.7 2006 90.56 2007 88.367 2008 86.205 2009 84.174 2010 82.334 2011 80.852 2012 79.427 2013 78.118 2014 76.975 2015 76.002 2016 75.229 2017 74.546 2018 73.931 2019 73.334 2020 72.723 2021 72.1 2022 71.456 2023 70.789 2024 70.099 2025 69.389 2026 68.684 2027 67.954 2028 67.2 2029 66.427 2030 65.645 2031 64.885 2032 64.121 2033 63.36 2034 62.61 2035 61.88 2036 61.204 2037 60.543 2038 59.912 2039 59.324 2040 58.788 2041 58.324 2042 57.899 2043 57.511 2044 57.151 2045 56.814 2046 56.511 2047 56.225 2048 55.962 2049 55.731 2050 55.538 2051 55.374 2052 55.229 2053 55.117 2054 55.054 2055 55.048 2056 55.079 2057 55.153 2058 55.253 2059 55.355 2060 55.446 2061 55.513 2062 55.565 2063 55.604 2064 55.628 2065 55.638 2066 55.598 2067 55.543 2068 55.488 2069 55.45 2070 55.439 2071 55.415 2072 55.414 2073 55.443 2074 55.51 2075 55.621 2076 55.726 2077 55.868 2078 56.048 2079 56.262 2080 56.51 2081 56.728 2082 56.973 2083 57.247 2084 57.546 2085 57.865 2086 58.13 2087 58.419 2088 58.728 2089 59.051 2090 59.387 2091 59.653 2092 59.933 2093 60.232 2094 60.55 2095 60.891 2096 61.147 2097 61.429 2098 61.739 2099 62.078 2100 62.447