Year	Years
1950	42.68
1951	43.039
1952	43.754
1953	44.46
1954	45.156
1955	45.844
1956	46.522
1957	47.19
1958	47.846
1959	48.487
1960	49.111
1961	49.715
1962	50.298
1963	50.86
1964	51.404
1965	51.934
1966	52.454
1967	52.971
1968	53.492
1969	54.022
1970	54.571
1971	55.15
1972	55.757
1973	56.387
1974	57.029
1975	57.666
1976	58.273
1977	58.836
1978	59.345
1979	59.801
1980	60.217
1981	60.616
1982	61.02
1983	61.444
1984	61.888
1985	62.357
1986	62.851
1987	63.347
1988	63.813
1989	64.214
1990	64.505
1991	64.638
1992	64.587
1993	64.342
1994	63.9
1995	63.254
1996	62.402
1997	61.391
1998	60.29
1999	59.163
2000	58.079
2001	57.098
2002	56.271
2003	55.651
2004	55.29
2005	55.261
2006	55.626
2007	56.362
2008	57.414
2009	58.721
2010	60.191
2011	61.717
2012	63.196
2013	64.536
2014	65.677
2015	66.579
2016	67.241
2017	67.724
2018	68.086
2019	68.355
2020	68.563
2021	68.737
2022	68.897
2023	69.062
2024	69.25
2025	69.468
2026	69.715
2027	69.975
2028	70.237
2029	70.499
2030	70.759
2031	71.02
2032	71.281
2033	71.544
2034	71.809
2035	72.074
2036	72.34
2037	72.606
2038	72.871
2039	73.135
2040	73.396
2041	73.657
2042	73.915
2043	74.173
2044	74.428
2045	74.679
2046	74.928
2047	75.172
2048	75.411
2049	75.645
2050	75.872
2051	76.092
2052	76.306
2053	76.514
2054	76.716
2055	76.913
2056	77.106
2057	77.296
2058	77.483
2059	77.667
2060	77.848
2061	78.024
2062	78.194
2063	78.358
2064	78.515
2065	78.666
2066	78.812
2067	78.954
2068	79.094
2069	79.232
2070	79.369
2071	79.507
2072	79.645
2073	79.782
2074	79.92
2075	80.057
2076	80.195
2077	80.331
2078	80.466
2079	80.6
2080	80.732
2081	80.864
2082	80.996
2083	81.127
2084	81.259
2085	81.391
2086	81.523
2087	81.654
2088	81.785
2089	81.916
2090	82.047
2091	82.176
2092	82.306
2093	82.435
2094	82.563
2095	82.692
2096	82.819
2097	82.947
2098	83.074
2099	83.2