Year	Number
1960	3665385
1961	3711084
1962	3760737
1963	3812810
1964	3865379
1965	3916650
1966	3968035
1967	4020228
1968	4071960
1969	4121388
1970	4166744
1971	4209614
1972	4250533
1973	4288023
1974	4320875
1975	4347372
1976	4370547
1977	4396727
1978	4426939
1979	4454909
1980	4482745
1981	4514788
1982	4546025
1983	4577998
1984	4610177
1985	4641942
1986	4677570
1987	4714555
1988	4732593
1989	4751254
1990	4764579
1991	4769316
1992	4781692
1993	4793338
1994	4785969
1995	4766533
1996	4746319
1997	4722599
1998	4697636
1999	4673352
2000	4648837
2001	4623156
2002	4591597
2003	4556725
2004	4523002
2005	4489280
2006	4459004
2007	4436621
2008	4419504
2009	4406288
2010	4393551
2011	4379214
2012	4369319
2013	4366594
2014	4368497
2015	4374019
2016	4377765
2017	4372291
2018	4361667
2019	4350290
2020	4327916
2021	4287977
2022	4248965
2023	4223098