Year Years 1950 98.7354 1955 98.83236 1960 99.87339 1965 102.0974 1970 103.93664 1975 105.34395 1980 105.32777 1985 104.71981 1990 104.57031 1995 104.18247 2000 103.33879 2005 102.81178 2010 102.52811 2015 102.15612 2020 102.65532 2025 103.38097 2030 103.93553 2035 104.2758 2040 104.5225 2045 104.61285 2050 104.59008 2055 104.5043 2060 104.42047 2065 104.36546 2070 104.3523 2075 104.37707 2080 104.40133 2085 104.42555 2090 104.45075 2095 104.47734 2100 104.50577