Year	Number
1960	5596291
1961	5744651
1962	5834374
1963	5891519
1964	5887591
1965	5854438
1966	5828526
1967	5809127
1968	5791838
1969	5760266
1970	5711313
1971	5665124
1972	5622221
1973	5569794
1974	5512253
1975	5457721
1976	5401324
1977	5340773
1978	5274004
1979	5243467
1980	5255401
1981	5273541
1982	5288224
1983	5320547
1984	5367821
1985	5411058
1986	5444293
1987	5460181
1988	5468759
1989	5476912
1990	5456510
1991	5421552
1992	5394641
1993	5350548
1994	5254880
1995	5124450
1996	4977223
1997	4819766
1998	4632448
1999	4419257
2000	4207450
2001	3987203
2002	3779539
2003	3615935
2004	3480517
2005	3362364
2006	3268721
2007	3204322
2008	3171319
2009	3164962
2010	3168215
2011	3178702
2012	3207428
2013	3249117
2014	3286347
2015	3323928
2016	3349378
2017	3361763
2018	3350509
2019	3321383
2020	3285135
2021	3235755
2022	2833980
2023	2745795