Year Years 1950 96.42384 1955 100.8644 1960 105.07706 1965 118.7223 1970 140.51408 1975 172.2187 1980 198.47643 1985 234.54682 1990 269.93594 1995 259.2402 2000 273.49771 2005 345.14358 2010 316.25706 2015 383.74857 2020 366.61821 2025 373.75752 2030 360.08167 2035 297.51186 2040 260.39368 2045 251.41747 2050 249.29048 2055 246.76885 2060 242.57959 2065 234.28791 2070 225.58992 2075 218.27937 2080 212.25332 2085 206.26319 2090 199.51191 2095 192.28036 2100 185.73033