Year	Number
1960	5455249
1961	5777767
1962	6116276
1963	6477135
1964	6862519
1965	7272537
1966	7710724
1967	8259714
1968	8882117
1969	9553689
1970	10281426
1971	10879729
1972	11450706
1973	12054204
1974	12695347
1975	13376319
1976	13960698
1977	14521169
1978	15105694
1979	15714519
1980	16349591
1981	16927321
1982	17484558
1983	18062075
1984	18661523
1985	19281238
1986	19881338
1987	20480947
1988	21103426
1989	21747146
1990	22415764
1991	22724882
1992	22847714
1993	22978856
1994	23119415
1995	23269863
1996	23408239
1997	23547768
1998	23702118
1999	23872300
2000	24059909
2001	24183498
2002	24274254
2003	24372755
2004	24479956
2005	24596288
2006	24672626
2007	24726784
2008	24783135
2009	24841508
2010	24902207
2011	25002850
2012	25124657
2013	25247891
2014	25373090
2015	25500120
2016	25629193
2017	25760173
2018	25893097
2019	25963874
2020	26035641
2021	26108444
2022	26182146
2023	26257208