Year	Number
1960	4261408
1961	4298367
1962	4327118
1963	4346484
1964	4365584
1965	4389336
1966	4425274
1967	4464410
1968	4495711
1969	4513834
1970	4525207
1971	4545124
1972	4574309
1973	4594100
1974	4608859
1975	4649172
1976	4718376
1977	4775901
1978	4833100
1979	4887939
1980	4930011
1981	4968082
1982	4992402
1983	5015335
1984	5034705
1985	5048753
1986	5059984
1987	5071679
1988	5085106
1989	5106747
1990	5155693
1991	5212276
1992	5246427
1993	5271466
1994	5292242
1995	5312063
1996	5331659
1997	5354717
1998	5381538
1999	5400308
2000	5421868
2001	5450658
2002	5472047
2003	5487478
2004	5504540
2005	5525472
2006	5547892
2007	5568591
2008	5590605
2009	5613295
2010	5628559
2011	5627949
2012	5605198
2013	5571423
2014	5540073
2015	5508465
2016	5489087
2017	5480681
2018	5471554
2019	5467106
2020	5456292
2021	5391653
2022	5323993
2023	5297371