Year	Years
1950	39.713
1951	39.905
1952	40.303
1953	40.732
1954	41.19
1955	41.678
1956	42.195
1957	42.738
1958	43.304
1959	43.886
1960	44.479
1961	45.073
1962	45.662
1963	46.24
1964	46.805
1965	47.359
1966	47.909
1967	48.462
1968	49.024
1969	49.595
1970	50.175
1971	50.759
1972	51.343
1973	51.92
1974	52.489
1975	53.054
1976	53.626
1977	54.206
1978	54.785
1979	55.345
1980	55.864
1981	56.318
1982	56.684
1983	56.941
1984	57.076
1985	57.074
1986	56.927
1987	56.649
1988	56.26
1989	55.775
1990	55.2
1991	54.535
1992	53.801
1993	53.031
1994	52.267
1995	51.546
1996	50.899
1997	50.357
1998	49.958
1999	49.743
2000	49.778
2001	50.122
2002	50.773
2003	51.705
2004	52.877
2005	54.229
2006	55.687
2007	57.162
2008	58.571
2009	59.857
2010	60.974
2011	61.904
2012	62.677
2013	63.326
2014	63.86
2015	64.292
2016	64.638
2017	64.924
2018	65.172
2019	65.404
2020	65.637
2021	65.881
2022	66.137
2023	66.402
2024	66.68
2025	66.972
2026	67.275
2027	67.581
2028	67.884
2029	68.179
2030	68.465
2031	68.738
2032	69.001
2033	69.253
2034	69.495
2035	69.726
2036	69.948
2037	70.161
2038	70.368
2039	70.57
2040	70.768
2041	70.964
2042	71.158
2043	71.351
2044	71.544
2045	71.737
2046	71.932
2047	72.127
2048	72.322
2049	72.518
2050	72.712
2051	72.905
2052	73.095
2053	73.282
2054	73.465
2055	73.644
2056	73.819
2057	73.991
2058	74.16
2059	74.326
2060	74.487
2061	74.644
2062	74.795
2063	74.94
2064	75.08
2065	75.214
2066	75.344
2067	75.472
2068	75.597
2069	75.721
2070	75.844
2071	75.967
2072	76.09
2073	76.212
2074	76.334
2075	76.456
2076	76.578
2077	76.7
2078	76.822
2079	76.945
2080	77.067
2081	77.188
2082	77.309
2083	77.428
2084	77.547
2085	77.666
2086	77.784
2087	77.902
2088	78.021
2089	78.14
2090	78.26
2091	78.38
2092	78.5
2093	78.619
2094	78.738
2095	78.857
2096	78.975
2097	79.092
2098	79.209
2099	79.325