Year	Years
1950	30.177
1951	30.43
1952	30.948
1953	31.493
1954	32.063
1955	32.659
1956	33.278
1957	33.919
1958	34.576
1959	35.242
1960	35.909
1961	36.566
1962	37.207
1963	37.827
1964	38.429
1965	39.021
1966	39.619
1967	40.235
1968	40.881
1969	41.556
1970	42.261
1971	42.993
1972	43.737
1973	44.48
1974	45.208
1975	45.911
1976	46.58
1977	47.208
1978	47.792
1979	48.326
1980	48.812
1981	49.254
1982	49.659
1983	50.024
1984	50.342
1985	50.599
1986	50.779
1987	50.871
1988	50.866
1989	50.765
1990	50.564
1991	50.262
1992	49.876
1993	49.428
1994	48.94
1995	48.427
1996	47.9
1997	47.377
1998	46.885
1999	46.455
2000	46.135
2001	45.97
2002	45.974
2003	46.144
2004	46.468
2005	46.913
2006	47.432
2007	47.972
2008	48.49
2009	48.966
2010	49.399
2011	49.806
2012	50.217
2013	50.658
2014	51.13
2015	51.628
2016	52.144
2017	52.66
2018	53.164
2019	53.648
2020	54.11
2021	54.548
2022	54.968
2023	55.374
2024	55.767
2025	56.147
2026	56.514
2027	56.868
2028	57.209
2029	57.538
2030	57.856
2031	58.161
2032	58.456
2033	58.74
2034	59.013
2035	59.277
2036	59.532
2037	59.777
2038	60.013
2039	60.241
2040	60.461
2041	60.676
2042	60.885
2043	61.088
2044	61.288
2045	61.483
2046	61.674
2047	61.86
2048	62.042
2049	62.221
2050	62.396
2051	62.569
2052	62.74
2053	62.91
2054	63.078
2055	63.244
2056	63.409
2057	63.571
2058	63.731
2059	63.888
2060	64.042
2061	64.192
2062	64.338
2063	64.481
2064	64.621
2065	64.758
2066	64.893
2067	65.026
2068	65.159
2069	65.291
2070	65.423
2071	65.555
2072	65.686
2073	65.818
2074	65.949
2075	66.079
2076	66.208
2077	66.335
2078	66.461
2079	66.585
2080	66.708
2081	66.83
2082	66.952
2083	67.073
2084	67.195
2085	67.317
2086	67.438
2087	67.558
2088	67.678
2089	67.797
2090	67.915
2091	68.033
2092	68.152
2093	68.271
2094	68.391
2095	68.512
2096	68.634
2097	68.757
2098	68.881
2099	69.007