Year Years 1950 106.67121 1955 102.22351 1960 99.90849 1965 98.93674 1970 99.16517 1975 99.17728 1980 101.11793 1985 99.74389 1990 96.80982 1995 97.98312 2000 96.65232 2005 98.36706 2010 100.90169 2015 100.60482 2020 100.92116 2025 101.22103 2030 101.29892 2035 101.4125 2040 101.45066 2045 101.51041 2050 101.58092 2055 101.63447 2060 101.59314 2065 101.59523 2070 101.60307 2075 101.571 2080 101.5421 2085 101.62236 2090 101.73441 2095 101.67858 2100 101.44751