Year	Number
1960	1574966
1961	1626102
1962	1679256
1963	1734441
1964	1791447
1965	1850435
1966	1911585
1967	1974724
1968	2040022
1969	2106786
1970	2171939
1971	2236399
1972	2303561
1973	2373692
1974	2446781
1975	2523089
1976	2602559
1977	2684724
1978	2769168
1979	2855575
1980	2944130
1981	3036889
1982	3136429
1983	3239346
1984	3341876
1985	3445553
1986	3551888
1987	3658555
1988	3763744
1989	3868478
1990	3972733
1991	4076662
1992	4180826
1993	4286591
1994	4395365
1995	4507042
1996	4622140
1997	4742217
1998	4865523
1999	4992702
2000	5128364
2001	5276383
2002	5431354
2003	5593084
2004	5764425
2005	5947650
2006	6144175
2007	6351748
2008	6569350
2009	6794701
2010	7026189
2011	7260708
2012	7499172
2013	7743342
2014	7993413
2015	8247891
2016	8507289
2017	8772120
2018	9041177
2019	9314079
2020	9589102
2021	9864121
2022	10140033
2023	10420876