Year	Years
1950	42.717
1951	42.941
1952	43.386
1953	43.824
1954	44.255
1955	44.679
1956	45.094
1957	45.503
1958	45.902
1959	46.292
1960	46.672
1961	47.041
1962	47.401
1963	47.754
1964	48.105
1965	48.465
1966	48.849
1967	49.26
1968	49.699
1969	50.161
1970	50.638
1971	51.121
1972	51.594
1973	52.037
1974	52.43
1975	52.759
1976	53.013
1977	53.185
1978	53.272
1979	53.263
1980	53.147
1981	52.91
1982	52.557
1983	52.102
1984	51.559
1985	50.941
1986	50.26
1987	49.54
1988	48.811
1989	48.102
1990	47.437
1991	46.831
1992	46.295
1993	45.845
1994	45.502
1995	45.287
1996	45.214
1997	45.286
1998	45.504
1999	45.873
2000	46.4
2001	47.091
2002	47.936
2003	48.917
2004	50.019
2005	51.237
2006	52.575
2007	54.014
2008	55.517
2009	57.039
2010	58.52
2011	59.904
2012	61.153
2013	62.243
2014	63.158
2015	63.898
2016	64.482
2017	64.955
2018	65.362
2019	65.727
2020	66.068
2021	66.397
2022	66.711
2023	67.013
2024	67.309
2025	67.605
2026	67.9
2027	68.191
2028	68.476
2029	68.755
2030	69.031
2031	69.303
2032	69.573
2033	69.841
2034	70.108
2035	70.374
2036	70.639
2037	70.901
2038	71.161
2039	71.418
2040	71.672
2041	71.922
2042	72.169
2043	72.413
2044	72.654
2045	72.891
2046	73.125
2047	73.357
2048	73.586
2049	73.813
2050	74.037
2051	74.261
2052	74.483
2053	74.705
2054	74.925
2055	75.143
2056	75.36
2057	75.574
2058	75.785
2059	75.994
2060	76.199
2061	76.402
2062	76.603
2063	76.802
2064	76.998
2065	77.193
2066	77.387
2067	77.579
2068	77.769
2069	77.957
2070	78.143
2071	78.325
2072	78.504
2073	78.679
2074	78.849
2075	79.014
2076	79.172
2077	79.325
2078	79.472
2079	79.615
2080	79.753
2081	79.887
2082	80.019
2083	80.15
2084	80.279
2085	80.409
2086	80.538
2087	80.668
2088	80.797
2089	80.925
2090	81.053
2091	81.181
2092	81.307
2093	81.433
2094	81.557
2095	81.68
2096	81.802
2097	81.922
2098	82.04
2099	82.158
