Year	Years
1950	70.03
1951	70.142
1952	70.357
1953	70.552
1954	70.728
1955	70.883
1956	71.019
1957	71.136
1958	71.236
1959	71.32
1960	71.392
1961	71.453
1962	71.509
1963	71.562
1964	71.614
1965	71.669
1966	71.725
1967	71.784
1968	71.842
1969	71.901
1970	71.958
1971	72.009
1972	72.055
1973	72.098
1974	72.142
1975	72.198
1976	72.276
1977	72.383
1978	72.522
1979	72.692
1980	72.884
1981	73.088
1982	73.291
1983	73.484
1984	73.667
1985	73.841
1986	74.012
1987	74.19
1988	74.383
1989	74.594
1990	74.822
1991	75.069
1992	75.327
1993	75.592
1994	75.861
1995	76.127
1996	76.387
1997	76.639
1998	76.882
1999	77.115
2000	77.34
2001	77.559
2002	77.778
2003	77.998
2004	78.219
2005	78.443
2006	78.665
2007	78.884
2008	79.097
2009	79.305
2010	79.508
2011	79.708
2012	79.907
2013	80.106
2014	80.307
2015	80.509
2016	80.714
2017	80.919
2018	81.126
2019	81.332
2020	81.537
2021	81.741
2022	81.944
2023	82.145
2024	82.341
2025	82.533
2026	82.716
2027	82.892
2028	83.059
2029	83.217
2030	83.368
2031	83.511
2032	83.649
2033	83.784
2034	83.916
2035	84.046
2036	84.174
2037	84.299
2038	84.423
2039	84.545
2040	84.665
2041	84.784
2042	84.903
2043	85.022
2044	85.14
2045	85.257
2046	85.375
2047	85.492
2048	85.608
2049	85.723
2050	85.837
2051	85.951
2052	86.064
2053	86.176
2054	86.288
2055	86.4
2056	86.512
2057	86.625
2058	86.738
2059	86.851
2060	86.965
2061	87.079
2062	87.193
2063	87.306
2064	87.419
2065	87.532
2066	87.643
2067	87.754
2068	87.865
2069	87.976
2070	88.086
2071	88.195
2072	88.305
2073	88.414
2074	88.524
2075	88.634
2076	88.744
2077	88.856
2078	88.968
2079	89.081
2080	89.195
2081	89.308
2082	89.421
2083	89.533
2084	89.644
2085	89.755
2086	89.866
2087	89.977
2088	90.089
2089	90.202
2090	90.315
2091	90.429
2092	90.542
2093	90.655
2094	90.767
2095	90.879
2096	90.988
2097	91.097
2098	91.205
2099	91.311