Year	Years
1950	33.827
1951	33.806
1952	33.783
1953	33.799
1954	33.853
1955	33.947
1956	34.08
1957	34.254
1958	34.47
1959	34.732
1960	35.044
1961	35.407
1962	35.825
1963	36.292
1964	36.805
1965	37.353
1966	37.927
1967	38.515
1968	39.109
1969	39.7
1970	40.282
1971	40.854
1972	41.418
1973	41.981
1974	42.544
1975	43.111
1976	43.687
1977	44.274
1978	44.878
1979	45.501
1980	46.144
1981	46.807
1982	47.489
1983	48.188
1984	48.903
1985	49.637
1986	50.392
1987	51.167
1988	51.961
1989	52.767
1990	53.584
1991	54.404
1992	55.224
1993	56.037
1994	56.837
1995	57.621
1996	58.389
1997	59.139
1998	59.872
1999	60.584
2000	61.272
2001	61.934
2002	62.567
2003	63.17
2004	63.743
2005	64.283
2006	64.788
2007	65.261
2008	65.704
2009	66.121
2010	66.517
2011	66.897
2012	67.266
2013	67.625
2014	67.978
2015	68.324
2016	68.66
2017	68.983
2018	69.289
2019	69.579
2020	69.854
2021	70.113
2022	70.361
2023	70.598
2024	70.828
2025	71.052
2026	71.27
2027	71.482
2028	71.69
2029	71.893
2030	72.094
2031	72.291
2032	72.486
2033	72.678
2034	72.867
2035	73.056
2036	73.243
2037	73.43
2038	73.617
2039	73.803
2040	73.989
2041	74.174
2042	74.357
2043	74.538
2044	74.718
2045	74.897
2046	75.075
2047	75.254
2048	75.433
2049	75.614
2050	75.795
2051	75.977
2052	76.158
2053	76.338
2054	76.518
2055	76.696
2056	76.874
2057	77.05
2058	77.227
2059	77.404
2060	77.581
2061	77.761
2062	77.943
2063	78.126
2064	78.312
2065	78.499
2066	78.686
2067	78.872
2068	79.057
2069	79.239
2070	79.421
2071	79.602
2072	79.784
2073	79.967
2074	80.151
2075	80.336
2076	80.521
2077	80.705
2078	80.888
2079	81.069
2080	81.249
2081	81.428
2082	81.606
2083	81.785
2084	81.962
2085	82.139
2086	82.313
2087	82.484
2088	82.652
2089	82.815
2090	82.973
2091	83.128
2092	83.279
2093	83.428
2094	83.573
2095	83.716
2096	83.856
2097	83.994
2098	84.13
2099	84.263