Year Years 1950 104.09511 1955 134.27598 1960 153.28185 1965 197.04969 1970 222.01498 1975 241.20787 1980 177.57598 1985 173.15797 1990 155.6025 1995 184.64138 2000 129.77348 2005 158.99613 2010 279.6102 2015 326.00329 2020 262.12494 2025 193.09014 2030 180.34013 2035 161.77954 2040 152.43682 2045 146.62833 2050 147.14525 2055 146.00502 2060 143.58902 2065 140.54395 2070 137.71796 2075 135.35689 2080 133.37819 2085 131.44507 2090 129.36598 2095 127.15852 2100 124.95991