Year	Number
1960	2859112
1961	2942203
1962	3020654
1963	3100652
1964	3194488
1965	3301784
1966	3411149
1967	3522274
1968	3647278
1969	3774376
1970	3880105
1971	3981746
1972	4098081
1973	4209732
1974	4324158
1975	4437032
1976	4539051
1977	4637848
1978	4729288
1979	4787196
1980	4791461
1981	4749281
1982	4685196
1983	4641675
1984	4625505
1985	4619788
1986	4643204
1987	4699988
1988	4791148
1989	4920338
1990	5081720
1991	5276046
1992	5506630
1993	5753968
1994	5981363
1995	6173753
1996	6341883
1997	6470568
1998	6562692
1999	6641066
2000	6759341
2001	6928992
2002	7144251
2003	7364184
2004	7548702
2005	7686411
2006	7778702
2007	7802263
2008	7766787
2009	7709670
2010	7662371
2011	7664331
2012	7734516
2013	7859314
2014	8036675
2015	8254276
2016	8477084
2017	8687732
2018	8950698
2019	9253053
2020	9468618
2021	9635110
2022	9646338
2023	9988478