Year	Number
1960	4140181
1961	4167292
1962	4196712
1963	4225675
1964	4252876
1965	4280923
1966	4310701
1967	4338683
1968	4365628
1969	4391490
1970	4412252
1971	4431275
1972	4450564
1973	4470161
1974	4490660
1975	4512082
1976	4535934
1977	4559571
1978	4581085
1979	4594778
1980	4599782
1981	4611509
1982	4634234
1983	4658254
1984	4680285
1985	4701417
1986	4721446
1987	4739745
1988	4755207
1989	4767260
1990	4777368
1991	4689022
1992	4575818
1993	4600463
1994	4652024
1995	4620030
1996	4557097
1997	4534920
1998	4532135
1999	4512597
2000	4468302
2001	4299642
2002	4302174
2003	4303399
2004	4304600
2005	4310145
2006	4311159
2007	4310217
2008	4309705
2009	4305181
2010	4295427
2011	4280622
2012	4267558
2013	4255689
2014	4238389
2015	4203604
2016	4174349
2017	4124531
2018	4087843
2019	4065253
2020	4047680
2021	3878981
2022	3855641
2023	3853200