Year	Number
1960	6153541
1961	6250740
1962	6352127
1963	6455990
1964	6576250
1965	6716301
1966	6863898
1967	7019879
1968	7184558
1969	7356506
1970	7535388
1971	7718779
1972	7907419
1973	8087773
1974	8258487
1975	8434678
1976	8614712
1977	8804011
1978	9004381
1979	9209129
1980	9420432
1981	9636119
1982	9847180
1983	10078172
1984	10333534
1985	10590913
1986	10848605
1987	11106401
1988	11365513
1989	11622547
1990	11874854
1991	12117755
1992	12354723
1993	12593130
1994	12836577
1995	13084512
1996	13336425
1997	13596742
1998	13865184
1999	14134016
2000	14391319
2001	14630084
2002	14850488
2003	15054870
2004	15252860
2005	15449317
2006	15642925
2007	15836209
2008	16020056
2009	16204691
2010	16404027
2011	16613951
2012	16830742
2013	17047694
2014	17249821
2015	17432774
2016	17611376
2017	17787103
2018	17951796
2019	18104883
2020	18255501
2021	18401658
2022	18546301
2023	18691229