Year	Years
1950	69.07
1951	69.143
1952	69.299
1953	69.473
1954	69.666
1955	69.878
1956	70.106
1957	70.349
1958	70.6
1959	70.851
1960	71.093
1961	71.314
1962	71.504
1963	71.657
1964	71.771
1965	71.849
1966	71.894
1967	71.921
1968	71.944
1969	71.971
1970	72.012
1971	72.075
1972	72.16
1973	72.269
1974	72.405
1975	72.573
1976	72.773
1977	73.001
1978	73.252
1979	73.521
1980	73.802
1981	74.088
1982	74.376
1983	74.659
1984	74.934
1985	75.197
1986	75.449
1987	75.691
1988	75.927
1989	76.157
1990	76.381
1991	76.602
1992	76.821
1993	77.038
1994	77.254
1995	77.468
1996	77.681
1997	77.89
1998	78.095
1999	78.295
2000	78.488
2001	78.674
2002	78.852
2003	79.022
2004	79.185
2005	79.343
2006	79.496
2007	79.646
2008	79.794
2009	79.942
2010	80.087
2011	80.23
2012	80.369
2013	80.503
2014	80.632
2015	80.759
2016	80.882
2017	81.004
2018	81.126
2019	81.248
2020	81.37
2021	81.494
2022	81.619
2023	81.743
2024	81.867
2025	81.992
2026	82.115
2027	82.238
2028	82.36
2029	82.481
2030	82.602
2031	82.721
2032	82.841
2033	82.961
2034	83.08
2035	83.2
2036	83.32
2037	83.441
2038	83.561
2039	83.681
2040	83.802
2041	83.921
2042	84.04
2043	84.158
2044	84.275
2045	84.392
2046	84.507
2047	84.623
2048	84.739
2049	84.854
2050	84.97
2051	85.086
2052	85.202
2053	85.319
2054	85.435
2055	85.551
2056	85.667
2057	85.782
2058	85.897
2059	86.012
2060	86.126
2061	86.24
2062	86.354
2063	86.467
2064	86.581
2065	86.695
2066	86.809
2067	86.923
2068	87.038
2069	87.152
2070	87.266
2071	87.379
2072	87.492
2073	87.605
2074	87.717
2075	87.829
2076	87.942
2077	88.055
2078	88.169
2079	88.285
2080	88.4
2081	88.515
2082	88.631
2083	88.745
2084	88.858
2085	88.971
2086	89.083
2087	89.195
2088	89.308
2089	89.421
2090	89.535
2091	89.649
2092	89.763
2093	89.876
2094	89.989
2095	90.102
2096	90.214
2097	90.325
2098	90.436
2099	90.546