Year	Number
1960	4755116
1961	4804453
1962	4854036
1963	4903678
1964	4953543
1965	5004400
1966	5055318
1967	5106858
1968	5160195
1969	5214875
1970	5271778
1971	5329627
1972	5390514
1973	5457662
1974	5528372
1975	5601009
1976	5674107
1977	5750573
1978	5832345
1979	5918320
1980	6009833
1981	6103880
1982	6198178
1983	6293357
1984	6384892
1985	6467180
1986	6538651
1987	6604129
1988	6680093
1989	6764936
1990	6858867
1991	6956935
1992	7058717
1993	7165627
1994	7277147
1995	7389330
1996	7500143
1997	7620923
1998	7758469
1999	7898881
2000	8052142
2001	8215827
2002	8390050
2003	8572004
2004	8760621
2005	8954866
2006	9150660
2007	9348036
2008	9545096
2009	9741147
2010	9938831
2011	10137272
2012	10305330
2013	10474824
2014	10672205
2015	10869374
2016	11073642
2017	11283238
2018	11490927
2019	11695460
2020	11904776
2021	12118494
2022	12327741
2023	12534572