Year	Number
1960	4857045
1961	4902733
1962	4895087
1963	4873002
1964	4844636
1965	4782906
1966	4690051
1967	4600067
1968	4507206
1969	4407929
1970	4283043
1971	4165831
1972	4086258
1973	4024667
1974	3990410
1975	3984526
1976	4009706
1977	4052549
1978	4092367
1979	4142781
1980	4213804
1981	4289952
1982	4372139
1983	4463817
1984	4552901
1985	4627761
1986	4680413
1987	4704720
1988	4702749
1989	4681892
1990	4644885
1991	4596726
1992	4540376
1993	4471977
1994	4390827
1995	4292459
1996	4183050
1997	4064825
1998	3928904
1999	3786483
2000	3608655
2001	3479060
2002	3362542
2003	3252789
2004	3151613
2005	3060498
2006	2978720
2007	2913797
2008	2872380
2009	2848133
2010	2822106
2011	2807174
2012	2792809
2013	2781143
2014	2772827
2015	2768221
2016	2770470
2017	2787404
2018	2809248
2019	2824731
2020	2829719
2021	2821720
2022	2715706
2023	2669422