Year Years 1950 85.84529 1955 88.81309 1960 90.9473 1965 93.85186 1970 96.10654 1975 95.1593 1980 98.55567 1985 100.41438 1990 101.09333 1995 95.56969 2000 106.91849 2005 106.17942 2010 99.70423 2015 96.48541 2020 93.15619 2025 90.2233 2030 88.03916 2035 87.42252 2040 90.77833 2045 94.47845 2050 96.0489 2055 98.14134 2060 100.3566 2065 102.24115 2070 103.62293 2075 104.16804 2080 103.84759 2085 102.99326 2090 102.16718 2095 101.90098 2100 102.03656