Year	Years
1950	54.351
1951	54.551
1952	54.95
1953	55.35
1954	55.749
1955	56.149
1956	56.55
1957	56.95
1958	57.35
1959	57.75
1960	58.15
1961	58.549
1962	58.947
1963	59.345
1964	59.743
1965	60.142
1966	60.545
1967	60.951
1968	61.361
1969	61.775
1970	62.197
1971	62.634
1972	63.084
1973	63.539
1974	63.99
1975	64.418
1976	64.803
1977	65.131
1978	65.397
1979	65.6
1980	65.747
1981	65.853
1982	65.937
1983	66.017
1984	66.103
1985	66.2
1986	66.309
1987	66.422
1988	66.536
1989	66.648
1990	66.761
1991	66.872
1992	66.983
1993	67.094
1994	67.205
1995	67.316
1996	67.426
1997	67.534
1998	67.644
1999	67.755
2000	67.874
2001	68.003
2002	68.145
2003	68.301
2004	68.468
2005	68.644
2006	68.824
2007	69.002
2008	69.174
2009	69.338
2010	69.493
2011	69.641
2012	69.785
2013	69.929
2014	70.073
2015	70.217
2016	70.363
2017	70.509
2018	70.655
2019	70.801
2020	70.945
2021	71.088
2022	71.228
2023	71.366
2024	71.501
2025	71.635
2026	71.767
2027	71.898
2028	72.029
2029	72.16
2030	72.292
2031	72.423
2032	72.555
2033	72.685
2034	72.815
2035	72.943
2036	73.071
2037	73.198
2038	73.324
2039	73.449
2040	73.573
2041	73.697
2042	73.819
2043	73.941
2044	74.062
2045	74.182
2046	74.302
2047	74.421
2048	74.54
2049	74.659
2050	74.777
2051	74.894
2052	75.012
2053	75.129
2054	75.245
2055	75.362
2056	75.477
2057	75.592
2058	75.707
2059	75.822
2060	75.936
2061	76.05
2062	76.164
2063	76.278
2064	76.392
2065	76.506
2066	76.62
2067	76.733
2068	76.846
2069	76.959
2070	77.071
2071	77.183
2072	77.294
2073	77.404
2074	77.514
2075	77.624
2076	77.735
2077	77.847
2078	77.959
2079	78.072
2080	78.186
2081	78.299
2082	78.412
2083	78.524
2084	78.635
2085	78.744
2086	78.851
2087	78.957
2088	79.061
2089	79.165
2090	79.269
2091	79.373
2092	79.478
2093	79.584
2094	79.691
2095	79.8
2096	79.91
2097	80.022
2098	80.135
2099	80.25