Year	Number
1950	61.644
1951	62.806
1952	64.037
1953	65.551
1954	67.289
1955	69.087
1956	70.462
1957	71.98
1958	73.395
1959	74.505
1960	75.236
1961	75.96
1962	76.207
1963	76.078
1964	75.736
1965	75.239
1966	74.671
1967	73.891
1968	72.93
1969	71.844
1970	70.699
1971	69.381
1972	68.2
1973	67.057
1974	65.844
1975	64.519
1976	63.644
1977	62.588
1978	61.461
1979	60.446
1980	59.662
1981	58.89
1982	58.327
1983	57.913
1984	57.528
1985	57.105
1986	56.743
1987	56.326
1988	55.894
1989	55.523
1990	55.266
1991	55.202
1992	55.279
1993	55.416
1994	55.488
1995	55.43
1996	55.317
1997	54.979
1998	54.499
1999	53.997
2000	53.517
2001	52.907
2002	52.401
2003	51.946
2004	51.494
2005	51.058
2006	50.561
2007	50.123
2008	49.773
2009	49.534
2010	49.4
2011	49.72
2012	50.028
2013	50.421
2014	50.948
2015	51.592
2016	52.176
2017	52.868
2018	53.625
2019	54.38
2020	55.107
2021	55.744
2022	56.394
2023	57.037
2024	57.66
2025	58.26
2026	58.885
2027	59.452
2028	59.984
2029	60.519
2030	61.075
2031	61.495
2032	61.934
2033	62.392
2034	62.849
2035	63.303
2036	63.596
2037	63.908
2038	64.233
2039	64.559
2040	64.877
2041	65.046
2042	65.212
2043	65.42
2044	65.739
2045	66.208
2046	66.677
2047	67.318
2048	68.067
2049	68.797
2050	69.428
2051	69.792
2052	70.075
2053	70.352
2054	70.741
2055	71.315
2056	71.888
2057	72.676
2058	73.58
2059	74.44
2060	75.162
2061	75.57
2062	75.874
2063	76.114
2064	76.344
2065	76.605
2066	76.64
2067	76.714
2068	76.85
2069	77.097
2070	77.497
2071	77.769
2072	78.204
2073	78.797
2074	79.5
2075	80.243
2076	80.73
2077	81.318
2078	81.933
2079	82.537
2080	83.141
2081	83.451
2082	83.731
2083	84.07
2084	84.511
2085	85.022
2086	85.219
2087	85.547
2088	85.925
2089	86.296
2090	86.692
2091	86.836
2092	86.999
2093	87.224
2094	87.544
2095	87.951
2096	88.01
2097	88.149
2098	88.35
2099	88.616
2100	88.952