Year	Number
1960	2586559
1961	2652592
1962	2720699
1963	2790999
1964	2863729
1965	2938852
1966	3016785
1967	3098357
1968	3183898
1969	3273830
1970	3368753
1971	3469383
1972	3575051
1973	3684262
1974	3796351
1975	3911095
1976	4028419
1977	4148377
1978	4271072
1979	4396459
1980	4524048
1981	4653211
1982	4784609
1983	4918706
1984	5055734
1985	5196676
1986	5341611
1987	5492117
1988	5649511
1989	5813748
1990	5986073
1991	6166675
1992	6355099
1993	6552807
1994	6759985
1995	6975324
1996	7198016
1997	7427688
1998	7663424
1999	7903835
2000	8147724
2001	8395887
2002	8648564
2003	8906025
2004	9169924
2005	9440960
2006	9720478
2007	10007782
2008	10302005
2009	10603897
2010	10910952
2011	11219267
2012	11527780
2013	11837579
2014	12150189
2015	12466971
2016	12791885
2017	13124892
2018	13462529
2019	13804538
2020	14148424
2021	14490935
2022	14836218
2023	15190700