Year	Years
1950	55.72
1951	55.838
1952	56.071
1953	56.298
1954	56.519
1955	56.734
1956	56.944
1957	57.149
1958	57.35
1959	57.549
1960	57.748
1961	57.946
1962	58.147
1963	58.347
1964	58.544
1965	58.734
1966	58.908
1967	59.063
1968	59.195
1969	59.303
1970	59.387
1971	59.449
1972	59.495
1973	59.529
1974	59.556
1975	59.58
1976	59.602
1977	59.624
1978	59.646
1979	59.669
1980	59.688
1981	59.701
1982	59.704
1983	59.699
1984	59.691
1985	59.687
1986	59.697
1987	59.73
1988	59.791
1989	59.884
1990	60.01
1991	60.169
1992	60.353
1993	60.555
1994	60.769
1995	60.992
1996	61.218
1997	61.445
1998	61.67
1999	61.889
2000	62.099
2001	62.298
2002	62.487
2003	62.668
2004	62.84
2005	63.003
2006	63.158
2007	63.307
2008	63.451
2009	63.59
2010	63.723
2011	63.85
2012	63.971
2013	64.084
2014	64.192
2015	64.294
2016	64.393
2017	64.489
2018	64.585
2019	64.679
2020	64.774
2021	64.869
2022	64.962
2023	65.054
2024	65.145
2025	65.235
2026	65.326
2027	65.418
2028	65.512
2029	65.606
2030	65.702
2031	65.796
2032	65.89
2033	65.981
2034	66.071
2035	66.158
2036	66.244
2037	66.331
2038	66.417
2039	66.504
2040	66.592
2041	66.679
2042	66.765
2043	66.85
2044	66.934
2045	67.016
2046	67.098
2047	67.18
2048	67.262
2049	67.344
2050	67.428
2051	67.512
2052	67.597
2053	67.683
2054	67.77
2055	67.858
2056	67.945
2057	68.034
2058	68.122
2059	68.211
2060	68.301
2061	68.392
2062	68.484
2063	68.578
2064	68.673
2065	68.77
2066	68.869
2067	68.969
2068	69.07
2069	69.172
2070	69.274
2071	69.375
2072	69.476
2073	69.576
2074	69.675
2075	69.775
2076	69.876
2077	69.979
2078	70.085
2079	70.194
2080	70.306
2081	70.421
2082	70.539
2083	70.658
2084	70.78
2085	70.904
2086	71.029
2087	71.156
2088	71.284
2089	71.413
2090	71.543
2091	71.674
2092	71.804
2093	71.933
2094	72.063
2095	72.192
2096	72.32
2097	72.447
2098	72.574
2099	72.7