Year Years 1950 85.87772 1955 87.14828 1960 88.15636 1965 89.44048 1970 91.50294 1975 93.48052 1980 92.86733 1985 92.53199 1990 91.83117 1995 90.24003 2000 86.43503 2005 83.19873 2010 80.01539 2015 77.75204 2020 76.3947 2025 75.95642 2030 76.52938 2035 78.04998 2040 79.74124 2045 81.24224 2050 82.43969 2055 83.57837 2060 84.73112 2065 85.79591 2070 86.68551 2075 87.46022 2080 88.16184 2085 88.87251 2090 89.63061 2095 90.4007 2100 91.22253