Year Years 1950 81.8687 1955 83.78155 1960 83.35458 1965 87.99143 1970 91.40621 1975 95.02493 1980 97.31179 1985 98.06169 1990 99.02758 1995 98.72149 2000 98.056 2005 97.86923 2010 97.8801 2015 99.82107 2020 100.81127 2025 102.10714 2030 103.01192 2035 103.33157 2040 103.40221 2045 103.47662 2050 103.63713 2055 103.76352 2060 104.02804 2065 104.24953 2070 104.4489 2075 104.62939 2080 104.75942 2085 104.83753 2090 104.8893 2095 104.93462 2100 104.98272