Year	Number
1960	3497431
1961	3602530
1962	3711068
1963	3822697
1964	3937008
1965	4053524
1966	4172501
1967	4294283
1968	4417954
1969	4542993
1970	4669708
1971	4797068
1972	4926318
1973	5059382
1974	5196579
1975	5339497
1976	5488658
1977	5644703
1978	5810351
1979	5987151
1980	6173177
1981	6366262
1982	6564445
1983	6766606
1984	6973849
1985	7187618
1986	7408364
1987	7636591
1988	7872252
1989	8116075
1990	8370648
1991	8634640
1992	8907644
1993	9193078
1994	9493324
1995	9813918
1996	10149937
1997	10494201
1998	10854920
1999	11231469
2000	11622665
2001	12031430
2002	12456517
2003	12900790
2004	13366885
2005	13855221
2006	14365168
2007	14897873
2008	15455175
2009	16037915
2010	16647543
2011	17283112
2012	17954407
2013	18653199
2014	19372014
2015	20128124
2016	20921743
2017	21737922
2018	22577058
2019	23443393
2020	24333639
2021	25252722
2022	26207977
2023	27202843