Year	Years
1950	23.129
1951	25.832
1952	30.895
1953	35.273
1954	38.966
1955	41.979
1956	44.334
1957	46.068
1958	47.249
1959	47.988
1960	48.424
1961	48.708
1962	48.998
1963	49.427
1964	50.07
1965	50.945
1966	52.01
1967	53.142
1968	54.243
1969	55.277
1970	56.228
1971	57.095
1972	57.902
1973	58.665
1974	59.386
1975	60.059
1976	60.682
1977	61.251
1978	61.768
1979	62.237
1980	62.662
1981	63.053
1982	63.414
1983	63.754
1984	64.074
1985	64.397
1986	64.752
1987	65.131
1988	65.505
1989	65.833
1990	65.997
1991	65.858
1992	65.36
1993	64.521
1994	63.417
1995	62.229
1996	61.192
1997	60.5
1998	60.272
1999	60.526
2000	61.182
2001	62.078
2002	62.993
2003	63.757
2004	64.31
2005	64.653
2006	64.849
2007	65.018
2008	65.251
2009	65.567
2010	65.96
2011	66.4
2012	66.834
2013	67.223
2014	67.555
2015	67.829
2016	68.055
2017	68.255
2018	68.45
2019	68.646
2020	68.848
2021	69.057
2022	69.267
2023	69.475
2024	69.68
2025	69.883
2026	70.084
2027	70.283
2028	70.48
2029	70.675
2030	70.87
2031	71.063
2032	71.255
2033	71.446
2034	71.636
2035	71.826
2036	72.016
2037	72.206
2038	72.397
2039	72.588
2040	72.779
2041	72.972
2042	73.164
2043	73.357
2044	73.55
2045	73.742
2046	73.933
2047	74.122
2048	74.309
2049	74.496
2050	74.682
2051	74.87
2052	75.06
2053	75.253
2054	75.45
2055	75.648
2056	75.846
2057	76.044
2058	76.24
2059	76.435
2060	76.628
2061	76.822
2062	77.018
2063	77.216
2064	77.417
2065	77.619
2066	77.823
2067	78.025
2068	78.226
2069	78.424
2070	78.62
2071	78.814
2072	79.007
2073	79.198
2074	79.389
2075	79.579
2076	79.769
2077	79.959
2078	80.148
2079	80.335
2080	80.52
2081	80.703
2082	80.882
2083	81.057
2084	81.228
2085	81.395
2086	81.557
2087	81.715
2088	81.869
2089	82.02
2090	82.167
2091	82.312
2092	82.453
2093	82.593
2094	82.73
2095	82.865
2096	82.997
2097	83.128
2098	83.256
2099	83.382