Year	Years
1950	70.629
1951	70.742
1952	70.947
1953	71.113
1954	71.238
1955	71.323
1956	71.37
1957	71.381
1958	71.36
1959	71.315
1960	71.255
1961	71.191
1962	71.132
1963	71.088
1964	71.065
1965	71.063
1966	71.077
1967	71.1
1968	71.128
1969	71.162
1970	71.206
1971	71.267
1972	71.352
1973	71.461
1974	71.593
1975	71.741
1976	71.899
1977	72.057
1978	72.207
1979	72.345
1980	72.463
1981	72.555
1982	72.627
1983	72.684
1984	72.736
1985	72.794
1986	72.876
1987	72.991
1988	73.146
1989	73.342
1990	73.573
1991	73.829
1992	74.095
1993	74.359
1994	74.616
1995	74.863
1996	75.103
1997	75.342
1998	75.585
1999	75.835
2000	76.095
2001	76.367
2002	76.651
2003	76.944
2004	77.244
2005	77.547
2006	77.848
2007	78.143
2008	78.427
2009	78.698
2010	78.953
2011	79.194
2012	79.421
2013	79.639
2014	79.848
2015	80.052
2016	80.253
2017	80.453
2018	80.652
2019	80.853
2020	81.055
2021	81.259
2022	81.463
2023	81.666
2024	81.865
2025	82.06
2026	82.248
2027	82.43
2028	82.604
2029	82.77
2030	82.928
2031	83.079
2032	83.224
2033	83.364
2034	83.5
2035	83.633
2036	83.763
2037	83.89
2038	84.015
2039	84.138
2040	84.26
2041	84.382
2042	84.503
2043	84.624
2044	84.744
2045	84.864
2046	84.983
2047	85.101
2048	85.217
2049	85.331
2050	85.444
2051	85.555
2052	85.666
2053	85.776
2054	85.885
2055	85.995
2056	86.105
2057	86.216
2058	86.327
2059	86.438
2060	86.55
2061	86.662
2062	86.773
2063	86.885
2064	86.995
2065	87.106
2066	87.216
2067	87.326
2068	87.436
2069	87.546
2070	87.656
2071	87.765
2072	87.875
2073	87.983
2074	88.092
2075	88.2
2076	88.308
2077	88.417
2078	88.525
2079	88.635
2080	88.744
2081	88.854
2082	88.964
2083	89.074
2084	89.184
2085	89.294
2086	89.405
2087	89.516
2088	89.628
2089	89.74
2090	89.852
2091	89.963
2092	90.074
2093	90.184
2094	90.293
2095	90.4
2096	90.506
2097	90.61
2098	90.712
2099	90.814