Year Years 1950 97.50271 1955 98.56775 1960 99.76469 1965 101.97868 1970 103.84758 1975 104.13558 1980 105.00515 1985 105.33935 1990 110.6571 1995 102.60635 2000 102.78232 2005 100.77577 2010 103.95002 2015 103.81201 2020 103.54032 2025 103.80114 2030 103.9942 2035 104.20104 2040 104.4211 2045 104.56835 2050 104.6492 2055 104.75657 2060 104.71616 2065 104.76427 2070 104.79109 2075 104.82439 2080 104.83742 2085 104.93489 2090 104.94719 2095 104.99301 2100 104.98869