Year Years 1950 99.54513 1955 97.10575 1960 93.91593 1965 94.76666 1970 92.77058 1975 98.75542 1980 101.31783 1985 101.51913 1990 102.28164 1995 102.57763 2000 103.20508 2005 104.01805 2010 103.70009 2015 99.143 2020 102.17621 2025 104.69685 2030 105.65914 2035 106.74819 2040 106.7536 2045 106.65152 2050 106.65932 2055 106.634 2060 106.61058 2065 106.6044 2070 106.60081 2075 106.58497 2080 106.5488 2085 106.50028 2090 106.45671 2095 106.42288 2100 106.39337