Year	Years
1950	43.27
1951	43.473
1952	43.896
1953	44.353
1954	44.843
1955	45.367
1956	45.924
1957	46.513
1958	47.13
1959	47.772
1960	48.433
1961	49.108
1962	49.789
1963	50.471
1964	51.149
1965	51.819
1966	52.478
1967	53.13
1968	53.779
1969	54.427
1970	55.079
1971	55.738
1972	56.41
1973	57.095
1974	57.793
1975	58.505
1976	59.231
1977	59.966
1978	60.703
1979	61.435
1980	62.153
1981	62.849
1982	63.518
1983	64.158
1984	64.768
1985	65.35
1986	65.905
1987	66.441
1988	66.968
1989	67.494
1990	68.027
1991	68.58
1992	69.155
1993	69.748
1994	70.358
1995	70.975
1996	71.588
1997	72.182
1998	72.749
1999	73.284
2000	73.786
2001	74.26
2002	74.716
2003	75.157
2004	75.584
2005	75.992
2006	76.373
2007	76.722
2008	77.038
2009	77.321
2010	77.578
2011	77.817
2012	78.047
2013	78.275
2014	78.506
2015	78.742
2016	78.982
2017	79.22
2018	79.453
2019	79.681
2020	79.903
2021	80.119
2022	80.33
2023	80.537
2024	80.74
2025	80.939
2026	81.135
2027	81.328
2028	81.517
2029	81.703
2030	81.886
2031	82.067
2032	82.245
2033	82.42
2034	82.594
2035	82.765
2036	82.933
2037	83.099
2038	83.263
2039	83.425
2040	83.584
2041	83.74
2042	83.895
2043	84.047
2044	84.197
2045	84.346
2046	84.493
2047	84.639
2048	84.785
2049	84.929
2050	85.073
2051	85.217
2052	85.36
2053	85.502
2054	85.644
2055	85.784
2056	85.923
2057	86.061
2058	86.198
2059	86.334
2060	86.468
2061	86.602
2062	86.736
2063	86.869
2064	87.001
2065	87.133
2066	87.264
2067	87.395
2068	87.524
2069	87.651
2070	87.778
2071	87.904
2072	88.029
2073	88.153
2074	88.277
2075	88.401
2076	88.525
2077	88.65
2078	88.775
2079	88.9
2080	89.024
2081	89.146
2082	89.266
2083	89.385
2084	89.501
2085	89.616
2086	89.731
2087	89.847
2088	89.965
2089	90.084
2090	90.205
2091	90.327
2092	90.448
2093	90.568
2094	90.686
2095	90.802
2096	90.916
2097	91.027
2098	91.136
2099	91.243
