Year	Number
1960	5057666
1961	5209586
1962	5365633
1963	5525023
1964	5688855
1965	5857453
1966	6029533
1967	6205155
1968	6384793
1969	6568876
1970	6740704
1971	6913176
1972	7102792
1973	7295842
1974	7491724
1975	7689308
1976	7888148
1977	8092533
1978	8303841
1979	8518709
1980	8738285
1981	8959985
1982	9183415
1983	9413010
1984	9646870
1985	9881918
1986	10116701
1987	10351781
1988	10591417
1989	10835065
1990	11080623
1991	11320245
1992	11554978
1993	11790876
1994	12026724
1995	12259703
1996	12489256
1997	12719037
1998	12946269
1999	13163636
2000	13364073
2001	13542313
2002	13698746
2003	13838734
2004	13968835
2005	14089681
2006	14200318
2007	14303686
2008	14418159
2009	14548239
2010	14684090
2011	14829974
2012	14984154
2013	15143939
2014	15312249
2015	15496198
2016	15704688
2017	15939422
2018	16242003
2019	16556679
2020	16805323
2021	17020361
2022	17192503
2023	17347601