Year	Years
1950	39.483
1951	39.767
1952	40.339
1953	40.914
1954	41.495
1955	42.08
1956	42.67
1957	43.264
1958	43.862
1959	44.464
1960	45.067
1961	45.672
1962	46.276
1963	46.879
1964	47.48
1965	48.076
1966	48.668
1967	49.255
1968	49.838
1969	50.416
1970	50.992
1971	51.565
1972	52.137
1973	52.71
1974	53.283
1975	53.859
1976	54.441
1977	55.027
1978	55.617
1979	56.207
1980	56.791
1981	57.363
1982	57.92
1983	58.457
1984	58.973
1985	59.47
1986	59.951
1987	60.42
1988	60.882
1989	61.339
1990	61.791
1991	62.239
1992	62.68
1993	63.113
1994	63.538
1995	63.953
1996	64.359
1997	64.754
1998	65.139
1999	65.513
2000	65.875
2001	66.226
2002	66.565
2003	66.892
2004	67.206
2005	67.508
2006	67.798
2007	68.074
2008	68.338
2009	68.589
2010	68.828
2011	69.055
2012	69.271
2013	69.476
2014	69.672
2015	69.861
2016	70.043
2017	70.22
2018	70.393
2019	70.563
2020	70.733
2021	70.901
2022	71.069
2023	71.237
2024	71.404
2025	71.571
2026	71.739
2027	71.907
2028	72.075
2029	72.243
2030	72.411
2031	72.579
2032	72.746
2033	72.913
2034	73.08
2035	73.246
2036	73.411
2037	73.577
2038	73.742
2039	73.907
2040	74.073
2041	74.239
2042	74.407
2043	74.576
2044	74.746
2045	74.917
2046	75.089
2047	75.261
2048	75.434
2049	75.607
2050	75.781
2051	75.957
2052	76.134
2053	76.313
2054	76.494
2055	76.675
2056	76.856
2057	77.035
2058	77.213
2059	77.389
2060	77.564
2061	77.739
2062	77.915
2063	78.093
2064	78.273
2065	78.455
2066	78.64
2067	78.825
2068	79.011
2069	79.197
2070	79.383
2071	79.57
2072	79.757
2073	79.945
2074	80.133
2075	80.321
2076	80.509
2077	80.698
2078	80.885
2079	81.072
2080	81.257
2081	81.44
2082	81.621
2083	81.799
2084	81.974
2085	82.146
2086	82.315
2087	82.481
2088	82.644
2089	82.805
2090	82.962
2091	83.116
2092	83.268
2093	83.416
2094	83.561
2095	83.703
2096	83.841
2097	83.977
2098	84.108
2099	84.237