Year Years 1950 91.58916 1955 98.34031 1960 101.20289 1965 106.10817 1970 110.10554 1975 107.76239 1980 107.61015 1985 105.76259 1990 107.35077 1995 103.21767 2000 106.41424 2005 106.08839 2010 106.22645 2015 106.1232 2020 105.6326 2025 106.01163 2030 105.78406 2035 105.58234 2040 106.06959 2045 106.12506 2050 106.17581 2055 106.18807 2060 106.1747 2065 106.15725 2070 106.15974 2075 106.17473 2080 106.18693 2085 106.16946 2090 106.15614 2095 106.1527 2100 106.13735