Year	Number
1960	2369859
1961	2389238
1962	2408370
1963	2426709
1964	2457821
1965	2505547
1966	2554702
1967	2610751
1968	2667401
1969	2719161
1970	2774894
1971	2836530
1972	2896435
1973	2952814
1974	3008218
1975	3061539
1976	3110320
1977	3159334
1978	3210530
1979	3256419
1980	3293710
1981	3313841
1982	3309518
1983	3292849
1984	3303863
1985	3356945
1986	3421743
1987	3477281
1988	3520523
1989	3555268
1990	3589396
1991	3623252
1992	3652733
1993	3675305
1994	3698664
1995	3724672
1996	3749438
1997	3774450
1998	3797108
1999	3820095
2000	3851236
2001	3892333
2002	3939984
2003	3991071
2004	4046156
2005	4101718
2006	4155820
2007	4222917
2008	4310408
2009	4412536
2010	4522983
2011	4655368
2012	4816898
2013	4976379
2014	5116754
2015	5240447
2016	5349200
2017	5450810
2018	5551600
2019	5659151
2020	5747322
2021	5807860
2022	5961912
2023	6112819