Year	Number
1950	59.621
1951	60.794
1952	61.894
1953	63.252
1954	64.816
1955	66.386
1956	67.367
1957	68.453
1958	69.453
1959	70.213
1960	70.662
1961	71.029
1962	71.042
1963	70.749
1964	70.216
1965	69.465
1966	68.273
1967	66.759
1968	65.052
1969	63.3
1970	61.585
1971	59.613
1972	57.874
1973	56.266
1974	54.65
1975	52.997
1976	51.851
1977	50.584
1978	49.323
1979	48.236
1980	47.398
1981	46.792
1982	46.377
1983	46.144
1984	46.039
1985	46.034
1986	46.122
1987	46.265
1988	46.453
1989	46.674
1990	46.911
1991	47.18
1992	47.456
1993	47.682
1994	47.794
1995	47.768
1996	47.765
1997	47.566
1998	47.226
1999	46.835
2000	46.447
2001	45.971
2002	45.555
2003	45.177
2004	44.81
2005	44.47
2006	44.201
2007	43.995
2008	43.894
2009	43.938
2010	44.145
2011	44.613
2012	45.131
2013	45.746
2014	46.472
2015	47.292
2016	48.212
2017	49.268
2018	50.409
2019	51.564
2020	52.699
2021	53.886
2022	55.031
2023	56.152
2024	57.302
2025	58.507
2026	59.701
2027	60.946
2028	62.171
2029	63.264
2030	64.158
2031	64.808
2032	65.256
2033	65.561
2034	65.817
2035	66.087
2036	66.228
2037	66.386
2038	66.57
2039	66.77
2040	66.977
2041	67.098
2042	67.257
2043	67.461
2044	67.728
2045	68.079
2046	68.411
2047	68.831
2048	69.324
2049	69.846
2050	70.358
2051	70.725
2052	71.094
2053	71.49
2054	71.943
2055	72.463
2056	72.941
2057	73.525
2058	74.138
2059	74.69
2060	75.146
2061	75.404
2062	75.58
2063	75.705
2064	75.811
2065	75.904
2066	75.785
2067	75.662
2068	75.564
2069	75.535
2070	75.609
2071	75.584
2072	75.681
2073	75.889
2074	76.166
2075	76.48
2076	76.614
2077	76.82
2078	77.08
2079	77.388
2080	77.755
2081	77.947
2082	78.196
2083	78.517
2084	78.902
2085	79.321
2086	79.517
2087	79.78
2088	80.078
2089	80.395
2090	80.744
2091	80.897
2092	81.085
2093	81.318
2094	81.604
2095	81.936
2096	82.018
2097	82.145
2098	82.317
2099	82.54
2100	82.818