Year Years 1950 99.85864 1955 100.45964 1960 101.34555 1965 100.83291 1970 101.1403 1975 100.54487 1980 98.78419 1985 98.21861 1990 99.91327 1995 100.89788 2000 99.26302 2005 101.30059 2010 103.04044 2015 103.34033 2020 104.90407 2025 104.06596 2030 101.94422 2035 101.6526 2040 100.84426 2045 100.50488 2050 100.64287 2055 100.84684 2060 101.08545 2065 101.34386 2070 101.60409 2075 101.86529 2080 102.16835 2085 102.47389 2090 102.79134 2095 103.11961 2100 103.39739