Year	Years
1950	34.58
1951	34.755
1952	35.132
1953	35.565
1954	36.053
1955	36.595
1956	37.188
1957	37.828
1958	38.506
1959	39.206
1960	39.909
1961	40.596
1962	41.246
1963	41.84
1964	42.37
1965	42.832
1966	43.232
1967	43.588
1968	43.912
1969	44.212
1970	44.492
1971	44.758
1972	45.008
1973	45.236
1974	45.437
1975	45.587
1976	45.657
1977	45.64
1978	45.546
1979	45.401
1980	45.256
1981	45.175
1982	45.204
1983	45.373
1984	45.687
1985	46.125
1986	46.648
1987	47.194
1988	47.72
1989	48.207
1990	48.651
1991	49.065
1992	49.478
1993	49.913
1994	50.376
1995	50.858
1996	51.345
1997	51.828
1998	52.311
1999	52.806
2000	53.348
2001	53.976
2002	54.717
2003	55.58
2004	56.559
2005	57.64
2006	58.796
2007	59.982
2008	61.152
2009	62.273
2010	63.309
2011	64.235
2012	65.051
2013	65.765
2014	66.38
2015	66.907
2016	67.366
2017	67.784
2018	68.185
2019	68.581
2020	68.981
2021	69.385
2022	69.783
2023	70.167
2024	70.538
2025	70.896
2026	71.242
2027	71.577
2028	71.901
2029	72.216
2030	72.522
2031	72.819
2032	73.107
2033	73.386
2034	73.658
2035	73.921
2036	74.177
2037	74.424
2038	74.664
2039	74.897
2040	75.124
2041	75.345
2042	75.56
2043	75.77
2044	75.976
2045	76.178
2046	76.375
2047	76.568
2048	76.756
2049	76.941
2050	77.123
2051	77.301
2052	77.477
2053	77.651
2054	77.822
2055	77.99
2056	78.157
2057	78.32
2058	78.48
2059	78.638
2060	78.793
2061	78.947
2062	79.099
2063	79.249
2064	79.399
2065	79.547
2066	79.694
2067	79.838
2068	79.979
2069	80.118
2070	80.256
2071	80.391
2072	80.526
2073	80.66
2074	80.795
2075	80.928
2076	81.062
2077	81.195
2078	81.326
2079	81.457
2080	81.585
2081	81.712
2082	81.837
2083	81.961
2084	82.083
2085	82.203
2086	82.323
2087	82.442
2088	82.561
2089	82.68
2090	82.799
2091	82.919
2092	83.04
2093	83.161
2094	83.282
2095	83.404
2096	83.526
2097	83.648
2098	83.771
2099	83.894
