Year	Years
1950	48.229
1951	48.3
1952	48.466
1953	48.681
1954	48.944
1955	49.256
1956	49.614
1957	50.017
1958	50.461
1959	50.939
1960	51.443
1961	51.962
1962	52.488
1963	53.012
1964	53.526
1965	54.034
1966	54.542
1967	55.055
1968	55.575
1969	56.092
1970	56.593
1971	57.062
1972	57.485
1973	57.855
1974	58.169
1975	58.424
1976	58.62
1977	58.772
1978	58.9
1979	59.02
1980	59.154
1981	59.32
1982	59.532
1983	59.797
1984	60.123
1985	60.517
1986	60.982
1987	61.502
1988	62.059
1989	62.637
1990	63.214
1991	63.771
1992	64.293
1993	64.77
1994	65.194
1995	65.565
1996	65.89
1997	66.185
1998	66.461
1999	66.722
2000	66.967
2001	67.192
2002	67.392
2003	67.566
2004	67.719
2005	67.854
2006	67.979
2007	68.101
2008	68.227
2009	68.361
2010	68.509
2011	68.672
2012	68.847
2013	69.032
2014	69.226
2015	69.425
2016	69.627
2017	69.829
2018	70.028
2019	70.222
2020	70.411
2021	70.594
2022	70.774
2023	70.951
2024	71.125
2025	71.298
2026	71.469
2027	71.638
2028	71.805
2029	71.971
2030	72.136
2031	72.299
2032	72.462
2033	72.623
2034	72.783
2035	72.941
2036	73.099
2037	73.254
2038	73.407
2039	73.559
2040	73.708
2041	73.854
2042	73.999
2043	74.141
2044	74.281
2045	74.42
2046	74.557
2047	74.694
2048	74.83
2049	74.966
2050	75.102
2051	75.238
2052	75.373
2053	75.509
2054	75.644
2055	75.778
2056	75.912
2057	76.044
2058	76.175
2059	76.305
2060	76.434
2061	76.561
2062	76.687
2063	76.812
2064	76.937
2065	77.061
2066	77.185
2067	77.31
2068	77.436
2069	77.562
2070	77.687
2071	77.812
2072	77.936
2073	78.058
2074	78.178
2075	78.297
2076	78.415
2077	78.534
2078	78.652
2079	78.771
2080	78.89
2081	79.01
2082	79.13
2083	79.249
2084	79.368
2085	79.487
2086	79.604
2087	79.721
2088	79.838
2089	79.955
2090	80.071
2091	80.187
2092	80.303
2093	80.418
2094	80.534
2095	80.65
2096	80.766
2097	80.882
2098	80.998
2099	81.114