Year	Years
1950	131.55501
1955	118.65198
1960	108.80193
1965	100.6006
1970	94.15826
1975	88.25221
1980	82.28048
1985	77.20541
1990	73.56015
1995	71.18626
2000	69.64555
2005	69.38545
2010	71.27783
2015	74.22809
2020	77.60082
2025	80.82686
2030	84.05095
2035	86.86295
2040	88.94198
2045	90.4449
2050	91.41635
2055	92.04154
2060	92.24043
2065	92.13915
2070	91.95955
2075	91.65764
2080	91.29037
2085	90.92929
2090	90.63269
2095	90.45095
2100	90.34551