Year Years 1950 98.07433 1955 93.82361 1960 94.19943 1965 95.56648 1970 93.35128 1975 93.56954 1980 95.66142 1985 96.16123 1990 97.38112 1995 97.15742 2000 97.1408 2005 96.72831 2010 92.51383 2015 92.98488 2020 93.58732 2025 94.82753 2030 97.01955 2035 99.25998 2040 100.95819 2045 101.48513 2050 101.26696 2055 101.24035 2060 101.28988 2065 101.32576 2070 101.41713 2075 101.515 2080 101.608 2085 101.69182 2090 101.77471 2095 101.85197 2100 101.92803