Year	Number
1960	4401831
1961	4379303
1962	4350895
1963	4319558
1964	4290506
1965	4259900
1966	4230146
1967	4203213
1968	4176578
1969	4151312
1970	4123586
1971	4091134
1972	4059050
1973	4028025
1974	4001823
1975	3981051
1976	3958606
1977	3932744
1978	3902097
1979	3864948
1980	3835546
1981	3816417
1982	3794791
1983	3769746
1984	3742901
1985	3716933
1986	3691570
1987	3666384
1988	3641801
1989	3583700
1990	3543962
1991	3556728
1992	3568401
1993	3577385
1994	3585524
1995	3593550
1996	3600375
1997	3606198
1998	3610855
1999	3613643
2000	3617236
2001	3599271
2002	3547284
2003	3495810
2004	3446941
2005	3392784
2006	3334127
2007	3276073
2008	3217942
2009	3161144
2010	3108907
2011	3055537
2012	3008052
2013	2972574
2014	2937544
2015	2903693
2016	2867756
2017	2832442
2018	2800601
2019	2770705
2020	2735697
2021	2694980
2022	2646824
2023	2602308