Year	Years
1950	28.36
1951	28.632
1952	29.172
1953	29.703
1954	30.223
1955	30.733
1956	31.232
1957	31.722
1958	32.202
1959	32.672
1960	33.133
1961	33.586
1962	34.03
1963	34.469
1964	34.904
1965	35.337
1966	35.768
1967	36.2
1968	36.634
1969	37.072
1970	37.518
1971	37.97
1972	38.432
1973	38.904
1974	39.39
1975	39.891
1976	40.409
1977	40.945
1978	41.503
1979	42.086
1980	42.705
1981	43.369
1982	44.08
1983	44.837
1984	45.636
1985	46.473
1986	47.345
1987	48.239
1988	49.138
1989	50.024
1990	50.874
1991	51.667
1992	52.393
1993	53.051
1994	53.643
1995	54.179
1996	54.676
1997	55.156
1998	55.642
1999	56.145
2000	56.678
2001	57.249
2002	57.849
2003	58.468
2004	59.1
2005	59.73
2006	60.346
2007	60.933
2008	61.486
2009	61.999
2010	62.476
2011	62.924
2012	63.354
2013	63.778
2014	64.197
2015	64.613
2016	65.024
2017	65.425
2018	65.812
2019	66.184
2020	66.54
2021	66.882
2022	67.211
2023	67.528
2024	67.834
2025	68.13
2026	68.416
2027	68.693
2028	68.96
2029	69.219
2030	69.47
2031	69.713
2032	69.95
2033	70.18
2034	70.405
2035	70.624
2036	70.84
2037	71.052
2038	71.26
2039	71.464
2040	71.665
2041	71.863
2042	72.057
2043	72.246
2044	72.432
2045	72.613
2046	72.791
2047	72.965
2048	73.135
2049	73.303
2050	73.47
2051	73.637
2052	73.804
2053	73.971
2054	74.139
2055	74.306
2056	74.473
2057	74.636
2058	74.796
2059	74.953
2060	75.105
2061	75.254
2062	75.4
2063	75.545
2064	75.688
2065	75.83
2066	75.972
2067	76.112
2068	76.252
2069	76.392
2070	76.53
2071	76.667
2072	76.802
2073	76.935
2074	77.067
2075	77.198
2076	77.328
2077	77.458
2078	77.587
2079	77.717
2080	77.847
2081	77.976
2082	78.105
2083	78.233
2084	78.361
2085	78.487
2086	78.613
2087	78.738
2088	78.863
2089	78.987
2090	79.111
2091	79.235
2092	79.359
2093	79.482
2094	79.606
2095	79.73
2096	79.854
2097	79.978
2098	80.102
2099	80.226