Year Years 1950 112.69659 1955 113.69658 1960 114.94938 1965 116.24085 1970 111.55227 1975 107.33096 1980 117.16106 1985 110.09477 1990 104.37067 1995 99.40316 2000 92.42912 2005 87.38808 2010 80.92924 2015 78.23388 2020 76.80535 2025 78.21769 2030 83.9603 2035 91.48325 2040 97.8203 2045 102.26647 2050 104.04453 2055 104.99396 2060 105.12397 2065 105.05983 2070 105.05697 2075 105.08765 2080 105.16661 2085 105.2532 2090 105.33994 2095 105.42498 2100 105.50894