Year Years 1950 97.20322 1955 87.97558 1960 90.58694 1965 95.50717 1970 94.14119 1975 94.34206 1980 97.86624 1985 96.60052 1990 98.45245 1995 100.31623 2000 101.57455 2005 102.60087 2010 101.75548 2015 103.38171 2020 104.22917 2025 103.3242 2030 103.19298 2035 103.17168 2040 103.08798 2045 103.11259 2050 103.1353 2055 103.16997 2060 103.20763 2065 103.2307 2070 103.23589 2075 103.24132 2080 103.23862 2085 103.22954 2090 103.2346 2095 103.2324 2100 103.23173