Year	Years
1950	66.277
1951	66.4
1952	66.637
1953	66.854
1954	67.049
1955	67.224
1956	67.377
1957	67.508
1958	67.616
1959	67.697
1960	67.751
1961	67.775
1962	67.772
1963	67.746
1964	67.708
1965	67.67
1966	67.646
1967	67.646
1968	67.683
1969	67.764
1970	67.897
1971	68.086
1972	68.325
1973	68.603
1974	68.915
1975	69.25
1976	69.601
1977	69.958
1978	70.312
1979	70.656
1980	70.983
1981	71.289
1982	71.577
1983	71.853
1984	72.119
1985	72.383
1986	72.654
1987	72.938
1988	73.239
1989	73.554
1990	73.879
1991	74.202
1992	74.515
1993	74.812
1994	75.094
1995	75.367
1996	75.644
1997	75.934
1998	76.244
1999	76.573
2000	76.917
2001	77.269
2002	77.616
2003	77.95
2004	78.265
2005	78.557
2006	78.824
2007	79.07
2008	79.3
2009	79.517
2010	79.725
2011	79.928
2012	80.13
2013	80.333
2014	80.539
2015	80.749
2016	80.963
2017	81.178
2018	81.39
2019	81.599
2020	81.8
2021	81.993
2022	82.176
2023	82.349
2024	82.512
2025	82.666
2026	82.811
2027	82.95
2028	83.085
2029	83.218
2030	83.349
2031	83.48
2032	83.608
2033	83.736
2034	83.862
2035	83.988
2036	84.114
2037	84.239
2038	84.364
2039	84.488
2040	84.612
2041	84.736
2042	84.859
2043	84.981
2044	85.102
2045	85.222
2046	85.342
2047	85.46
2048	85.579
2049	85.696
2050	85.814
2051	85.933
2052	86.053
2053	86.174
2054	86.295
2055	86.416
2056	86.537
2057	86.656
2058	86.774
2059	86.89
2060	87.005
2061	87.12
2062	87.236
2063	87.354
2064	87.473
2065	87.594
2066	87.715
2067	87.837
2068	87.958
2069	88.078
2070	88.197
2071	88.315
2072	88.431
2073	88.547
2074	88.663
2075	88.779
2076	88.895
2077	89.013
2078	89.133
2079	89.253
2080	89.374
2081	89.496
2082	89.618
2083	89.739
2084	89.859
2085	89.978
2086	90.095
2087	90.211
2088	90.326
2089	90.44
2090	90.554
2091	90.668
2092	90.783
2093	90.899
2094	91.016
2095	91.135
2096	91.255
2097	91.377
2098	91.5
2099	91.626