Year	Years
1950	57.787
1951	57.954
1952	58.29
1953	58.627
1954	58.967
1955	59.308
1956	59.652
1957	59.996
1958	60.341
1959	60.685
1960	61.026
1961	61.361
1962	61.689
1963	62.009
1964	62.321
1965	62.627
1966	62.931
1967	63.237
1968	63.543
1969	63.849
1970	64.149
1971	64.437
1972	64.707
1973	64.957
1974	65.187
1975	65.399
1976	65.597
1977	65.79
1978	65.981
1979	66.174
1980	66.37
1981	66.569
1982	66.769
1983	66.967
1984	67.16
1985	67.346
1986	67.522
1987	67.689
1988	67.843
1989	67.985
1990	68.115
1991	68.235
1992	68.346
1993	68.45
1994	68.545
1995	68.63
1996	68.699
1997	68.751
1998	68.787
1999	68.808
2000	68.819
2001	68.824
2002	68.829
2003	68.841
2004	68.863
2005	68.898
2006	68.949
2007	69.013
2008	69.09
2009	69.177
2010	69.276
2011	69.385
2012	69.503
2013	69.627
2014	69.756
2015	69.887
2016	70.021
2017	70.156
2018	70.291
2019	70.426
2020	70.561
2021	70.696
2022	70.832
2023	70.969
2024	71.107
2025	71.246
2026	71.386
2027	71.528
2028	71.67
2029	71.813
2030	71.957
2031	72.101
2032	72.246
2033	72.391
2034	72.538
2035	72.685
2036	72.834
2037	72.985
2038	73.138
2039	73.292
2040	73.447
2041	73.603
2042	73.759
2043	73.915
2044	74.071
2045	74.227
2046	74.384
2047	74.542
2048	74.701
2049	74.862
2050	75.025
2051	75.19
2052	75.355
2053	75.522
2054	75.689
2055	75.857
2056	76.025
2057	76.194
2058	76.364
2059	76.534
2060	76.706
2061	76.879
2062	77.053
2063	77.228
2064	77.404
2065	77.582
2066	77.76
2067	77.939
2068	78.119
2069	78.298
2070	78.478
2071	78.659
2072	78.84
2073	79.022
2074	79.204
2075	79.386
2076	79.568
2077	79.75
2078	79.931
2079	80.111
2080	80.29
2081	80.467
2082	80.643
2083	80.818
2084	80.991
2085	81.162
2086	81.332
2087	81.5
2088	81.666
2089	81.83
2090	81.992
2091	82.15
2092	82.305
2093	82.456
2094	82.603
2095	82.746
2096	82.884
2097	83.018
2098	83.148
2099	83.273