Year	Years
1950	46.558
1951	46.662
1952	46.858
1953	47.025
1954	47.163
1955	47.275
1956	47.363
1957	47.434
1958	47.499
1959	47.578
1960	47.693
1961	47.867
1962	48.123
1963	48.471
1964	48.912
1965	49.426
1966	49.98
1967	50.542
1968	51.095
1969	51.638
1970	52.205
1971	52.841
1972	53.58
1973	54.429
1974	55.369
1975	56.352
1976	57.313
1977	58.192
1978	58.942
1979	59.549
1980	60.018
1981	60.376
1982	60.677
1983	60.964
1984	61.259
1985	61.57
1986	61.896
1987	62.223
1988	62.543
1989	62.861
1990	63.18
1991	63.506
1992	63.844
1993	64.202
1994	64.587
1995	65.019
1996	65.518
1997	66.084
1998	66.705
1999	67.358
2000	68.006
2001	68.602
2002	69.109
2003	69.505
2004	69.78
2005	69.939
2006	70.002
2007	70.008
2008	69.994
2009	69.984
2010	69.996
2011	70.041
2012	70.116
2013	70.218
2014	70.347
2015	70.502
2016	70.676
2017	70.86
2018	71.044
2019	71.226
2020	71.402
2021	71.571
2022	71.736
2023	71.9
2024	72.063
2025	72.225
2026	72.388
2027	72.552
2028	72.718
2029	72.884
2030	73.052
2031	73.219
2032	73.384
2033	73.548
2034	73.709
2035	73.869
2036	74.026
2037	74.183
2038	74.339
2039	74.496
2040	74.653
2041	74.811
2042	74.971
2043	75.131
2044	75.293
2045	75.456
2046	75.62
2047	75.786
2048	75.952
2049	76.118
2050	76.286
2051	76.455
2052	76.625
2053	76.797
2054	76.97
2055	77.143
2056	77.317
2057	77.49
2058	77.663
2059	77.835
2060	78.008
2061	78.181
2062	78.356
2063	78.532
2064	78.71
2065	78.889
2066	79.068
2067	79.247
2068	79.424
2069	79.601
2070	79.776
2071	79.95
2072	80.125
2073	80.301
2074	80.478
2075	80.655
2076	80.833
2077	81.011
2078	81.188
2079	81.364
2080	81.539
2081	81.713
2082	81.887
2083	82.06
2084	82.231
2085	82.4
2086	82.567
2087	82.729
2088	82.888
2089	83.043
2090	83.193
2091	83.34
2092	83.483
2093	83.624
2094	83.761
2095	83.896
2096	84.028
2097	84.158
2098	84.286
2099	84.411