Year Years 1950 97.00958 1955 96.99365 1960 97.00798 1965 94.30055 1970 89.72628 1975 91.65427 1980 93.89773 1985 95.97301 1990 97.46487 1995 98.66135 2000 100.57805 2005 103.29395 2010 109.60568 2015 111.00436 2020 108.89311 2025 106.54934 2030 104.3693 2035 102.68807 2040 101.74676 2045 101.40729 2050 101.32488 2055 101.36799 2060 101.47702 2065 101.62718 2070 101.76502 2075 101.88018 2080 101.9763 2085 102.05916 2090 102.14004 2095 102.20539 2100 102.25577