Year	Number
1960	4623139
1961	4653157
1962	4698192
1963	4740078
1964	4781723
1965	4825313
1966	4865910
1967	4898433
1968	4926402
1969	4960471
1970	4998580
1971	5025388
1972	5033943
1973	5033026
1974	5029686
1975	5031535
1976	5027799
1977	5014415
1978	5001864
1979	4992711
1980	4988512
1981	4971706
1982	4936304
1983	4896872
1984	4858219
1985	4822960
1986	4791802
1987	4764231
1988	4737105
1989	4707697
1990	4682215
1991	4622058
1992	4521389
1993	4418916
1994	4313040
1995	4203458
1996	4093839
1997	3988053
1998	3887534
1999	3790157
2000	3695515
2001	3557438
2002	3373027
2003	3189732
2004	3009850
2005	2834761
2006	2674876
2007	2532774
2008	2400728
2009	2266647
2010	2137737
2011	2023367
2012	1912076
2013	1817063
2014	1738782
2015	1664686
2016	1594889
2017	1528626
2018	1466411
2019	1409098
2020	1354158
2021	1302355
2022	1259248
2023	1219560