Year	Number
1960	3468579
1961	3529910
1962	3594082
1963	3661919
1964	3732745
1965	3808264
1966	3886824
1967	3967934
1968	4052725
1969	4141138
1970	4236775
1971	4343770
1972	4467828
1973	4607678
1974	4756962
1975	4915963
1976	5083236
1977	5267694
1978	5471824
1979	5679927
1980	5829757
1981	5943912
1982	6076552
1983	6208984
1984	6347443
1985	6486739
1986	6613641
1987	6651185
1988	6650904
1989	6715923
1990	6824389
1991	6954284
1992	7083124
1993	7280041
1994	7638748
1995	7984592
1996	8229401
1997	8456940
1998	8668097
1999	8886269
2000	9112588
2001	9348513
2002	9594055
2003	9847572
2004	10107859
2005	10372470
2006	10641439
2007	10919618
2008	11209337
2009	11513202
2010	11837502
2011	12182882
2012	12545887
2013	12925693
2014	13315954
2015	13714918
2016	14135272
2017	14567003
2018	14996993
2019	15433808
2020	15884940
2021	16339849
2022	16793302
2023	17262682