Year	Number
1960	3273177
1961	3367082
1962	3463524
1963	3562469
1964	3664599
1965	3770874
1966	3881994
1967	3997869
1968	4117659
1969	4240859
1970	4367744
1971	4498616
1972	4633452
1973	4772039
1974	4911421
1975	5047922
1976	5181195
1977	5308297
1978	5433225
1979	5564474
1980	5703869
1981	5852029
1982	6008392
1983	6171874
1984	6341801
1985	6520705
1986	6710885
1987	6909837
1988	7113636
1989	7321832
1990	7536001
1991	7754289
1992	7974514
1993	8196551
1994	8416997
1995	8632681
1996	8843423
1997	9051539
1998	9261526
1999	9478564
2000	9704287
2001	9938027
2002	10180950
2003	10434504
2004	10698691
2005	10974057
2006	11263387
2007	11563869
2008	11872929
2009	12195029
2010	12530121
2011	12875880
2012	13231833
2013	13595566
2014	13970308
2015	14356181
2016	14751356
2017	15157793
2018	15574909
2019	16000781
2020	16436120
2021	16876720
2022	17316449
2023	17763163