Year	Years
1950	39.206
1951	39.404
1952	39.8
1953	40.198
1954	40.597
1955	40.997
1956	41.398
1957	41.8
1958	42.201
1959	42.601
1960	42.999
1961	43.392
1962	43.781
1963	44.168
1964	44.557
1965	44.956
1966	45.374
1967	45.817
1968	46.285
1969	46.776
1970	47.279
1971	47.779
1972	48.266
1973	48.733
1974	49.185
1975	49.631
1976	50.089
1977	50.576
1978	51.103
1979	51.67
1980	52.276
1981	52.91
1982	53.557
1983	54.201
1984	54.833
1985	55.449
1986	56.048
1987	56.632
1988	57.201
1989	57.747
1990	58.266
1991	58.753
1992	59.202
1993	59.611
1994	59.975
1995	60.286
1996	60.536
1997	60.728
1998	60.87
1999	60.975
2000	61.06
2001	61.142
2002	61.24
2003	61.367
2004	61.537
2005	61.758
2006	62.037
2007	62.363
2008	62.724
2009	63.109
2010	63.503
2011	63.892
2012	64.263
2013	64.607
2014	64.918
2015	65.196
2016	65.444
2017	65.675
2018	65.899
2019	66.119
2020	66.337
2021	66.555
2022	66.77
2023	66.981
2024	67.188
2025	67.391
2026	67.59
2027	67.785
2028	67.976
2029	68.163
2030	68.346
2031	68.527
2032	68.706
2033	68.884
2034	69.06
2035	69.234
2036	69.406
2037	69.576
2038	69.743
2039	69.907
2040	70.069
2041	70.228
2042	70.385
2043	70.54
2044	70.694
2045	70.846
2046	70.997
2047	71.147
2048	71.294
2049	71.44
2050	71.585
2051	71.728
2052	71.871
2053	72.012
2054	72.153
2055	72.293
2056	72.433
2057	72.571
2058	72.709
2059	72.846
2060	72.983
2061	73.119
2062	73.255
2063	73.39
2064	73.525
2065	73.66
2066	73.793
2067	73.924
2068	74.053
2069	74.18
2070	74.305
2071	74.428
2072	74.55
2073	74.67
2074	74.79
2075	74.91
2076	75.03
2077	75.153
2078	75.276
2079	75.401
2080	75.526
2081	75.651
2082	75.775
2083	75.898
2084	76.019
2085	76.138
2086	76.256
2087	76.374
2088	76.491
2089	76.609
2090	76.727
2091	76.844
2092	76.961
2093	77.078
2094	77.194
2095	77.308
2096	77.422
2097	77.535
2098	77.647
2099	77.757