Year	Years
1950	31.476
1951	31.603
1952	31.856
1953	32.107
1954	32.356
1955	32.602
1956	32.845
1957	33.084
1958	33.319
1959	33.546
1960	33.762
1961	33.966
1962	34.156
1963	34.332
1964	34.498
1965	34.656
1966	34.806
1967	34.956
1968	35.115
1969	35.293
1970	35.503
1971	35.758
1972	36.062
1973	36.419
1974	36.832
1975	37.294
1976	37.795
1977	38.325
1978	38.881
1979	39.463
1980	40.09
1981	40.784
1982	41.558
1983	42.411
1984	43.331
1985	44.304
1986	45.309
1987	46.313
1988	47.282
1989	48.186
1990	48.993
1991	49.681
1992	50.248
1993	50.697
1994	51.031
1995	51.245
1996	51.339
1997	51.339
1998	51.281
1999	51.206
2000	51.166
2001	51.217
2002	51.386
2003	51.689
2004	52.13
2005	52.694
2006	53.346
2007	54.038
2008	54.725
2009	55.386
2010	56.013
2011	56.607
2012	57.186
2013	57.764
2014	58.341
2015	58.917
2016	59.489
2017	60.054
2018	60.608
2019	61.15
2020	61.677
2021	62.19
2022	62.688
2023	63.171
2024	63.64
2025	64.092
2026	64.528
2027	64.946
2028	65.349
2029	65.735
2030	66.105
2031	66.459
2032	66.798
2033	67.124
2034	67.436
2035	67.735
2036	68.022
2037	68.296
2038	68.558
2039	68.809
2040	69.049
2041	69.28
2042	69.501
2043	69.713
2044	69.918
2045	70.116
2046	70.308
2047	70.494
2048	70.673
2049	70.848
2050	71.02
2051	71.188
2052	71.354
2053	71.517
2054	71.679
2055	71.839
2056	71.997
2057	72.153
2058	72.306
2059	72.457
2060	72.605
2061	72.753
2062	72.899
2063	73.044
2064	73.189
2065	73.334
2066	73.48
2067	73.627
2068	73.774
2069	73.922
2070	74.071
2071	74.222
2072	74.374
2073	74.528
2074	74.682
2075	74.838
2076	74.994
2077	75.151
2078	75.308
2079	75.464
2080	75.621
2081	75.776
2082	75.931
2083	76.086
2084	76.24
2085	76.394
2086	76.548
2087	76.703
2088	76.858
2089	77.015
2090	77.172
2091	77.33
2092	77.489
2093	77.649
2094	77.81
2095	77.972
2096	78.134
2097	78.298
2098	78.461
2099	78.626