Year	Years
1950	55.62
1951	55.592
1952	55.583
1953	55.671
1954	55.857
1955	56.137
1956	56.508
1957	56.96
1958	57.48
1959	58.041
1960	58.612
1961	59.164
1962	59.665
1963	60.096
1964	60.455
1965	60.758
1966	61.038
1967	61.334
1968	61.674
1969	62.063
1970	62.497
1971	62.962
1972	63.428
1973	63.872
1974	64.284
1975	64.657
1976	64.991
1977	65.295
1978	65.575
1979	65.833
1980	66.076
1981	66.312
1982	66.543
1983	66.762
1984	66.959
1985	67.107
1986	67.169
1987	67.13
1988	66.994
1989	66.779
1990	66.525
1991	66.284
1992	66.106
1993	66.023
1994	66.05
1995	66.185
1996	66.407
1997	66.675
1998	66.948
1999	67.207
2000	67.432
2001	67.611
2002	67.749
2003	67.854
2004	67.928
2005	67.98
2006	68.021
2007	68.066
2008	68.126
2009	68.209
2010	68.317
2011	68.45
2012	68.603
2013	68.769
2014	68.945
2015	69.127
2016	69.314
2017	69.503
2018	69.693
2019	69.881
2020	70.068
2021	70.253
2022	70.438
2023	70.623
2024	70.808
2025	70.994
2026	71.18
2027	71.366
2028	71.551
2029	71.737
2030	71.923
2031	72.109
2032	72.297
2033	72.485
2034	72.675
2035	72.866
2036	73.059
2037	73.253
2038	73.447
2039	73.643
2040	73.838
2041	74.034
2042	74.231
2043	74.427
2044	74.623
2045	74.819
2046	75.015
2047	75.212
2048	75.409
2049	75.606
2050	75.803
2051	76.002
2052	76.201
2053	76.4
2054	76.6
2055	76.8
2056	77
2057	77.201
2058	77.401
2059	77.6
2060	77.799
2061	77.997
2062	78.195
2063	78.391
2064	78.585
2065	78.777
2066	78.965
2067	79.149
2068	79.329
2069	79.504
2070	79.675
2071	79.841
2072	80.003
2073	80.162
2074	80.318
2075	80.471
2076	80.622
2077	80.77
2078	80.916
2079	81.059
2080	81.2
2081	81.339
2082	81.474
2083	81.607
2084	81.736
2085	81.864
2086	81.988
2087	82.111
2088	82.232
2089	82.351
2090	82.469
2091	82.587
2092	82.703
2093	82.82
2094	82.936
2095	83.052
2096	83.167
2097	83.283
2098	83.398
2099	83.513