Year	Number
1950	53.216
1951	53.689
1952	54.162
1953	54.62
1954	55.026
1955	55.354
1956	55.846
1957	56.256
1958	56.584
1959	56.83
1960	56.997
1961	57.186
1962	57.3
1963	57.339
1964	57.304
1965	57.205
1966	57.241
1967	57.197
1968	57.108
1969	57.035
1970	57.02
1971	57.163
1972	57.346
1973	57.579
1974	57.876
1975	58.255
1976	59.026
1977	59.954
1978	60.96
1979	61.906
1980	62.701
1981	63.704
1982	64.262
1983	64.555
1984	64.832
1985	65.199
1986	65.246
1987	65.559
1988	65.918
1989	66.018
1990	65.746
1991	65.645
1992	65.154
1993	64.428
1994	63.702
1995	63.082
1996	62.642
1997	62.231
1998	61.845
1999	61.447
2000	61.021
2001	60.531
2002	60.111
2003	59.715
2004	59.285
2005	58.804
2006	58.484
2007	58.053
2008	57.589
2009	57.198
2010	56.929
2011	56.737
2012	56.662
2013	56.655
2014	56.63
2015	56.545
2016	56.533
2017	56.447
2018	56.313
2019	56.177
2020	56.058
2021	55.954
2022	55.87
2023	55.789
2024	55.685
2025	55.547
2026	55.425
2027	55.279
2028	55.119
2029	54.956
2030	54.802
2031	54.672
2032	54.551
2033	54.452
2034	54.385
2035	54.357
2036	54.363
2037	54.401
2038	54.495
2039	54.675
2040	54.956
2041	55.32
2042	55.782
2043	56.302
2044	56.813
2045	57.276
2046	57.661
2047	58.006
2048	58.331
2049	58.667
2050	59.034
2051	59.373
2052	59.736
2053	60.124
2054	60.535
2055	60.968
2056	61.342
2057	61.748
2058	62.174
2059	62.598
2060	63.009
2061	63.304
2062	63.59
2063	63.883
2064	64.211
2065	64.59
2066	64.885
2067	65.232
2068	65.63
2069	66.064
2070	66.512
2071	66.842
2072	67.214
2073	67.615
2074	68.042
2075	68.506
2076	68.875
2077	69.285
2078	69.742
2079	70.24
2080	70.764
2081	71.129
2082	71.533
2083	71.971
2084	72.438
2085	72.93
2086	73.26
2087	73.632
2088	74.042
2089	74.481
2090	74.953
2091	75.247
2092	75.582
2093	75.964
2094	76.392
2095	76.86
2096	77.119
2097	77.439
2098	77.813
2099	78.226
2100	78.671