Year	Number
1960	4532615
1961	4560131
1962	4591191
1963	4624422
1964	4658845
1965	4693349
1966	4728461
1967	4765421
1968	4802593
1969	4838915
1970	4873256
1971	4905962
1972	4938435
1973	4969249
1974	4996709
1975	5019628
1976	5040453
1977	5066273
1978	5098062
1979	5129091
1980	5160255
1981	5195211
1982	5229975
1983	5265001
1984	5299822
1985	5333058
1986	5365430
1987	5396445
1988	5407408
1989	5418746
1990	5424768
1991	5424733
1992	5434778
1993	5445711
1994	5440986
1995	5427298
1996	5413250
1997	5394834
1998	5374327
1999	5353387
2000	5330773
2001	5305393
2002	5273950
2003	5240024
2004	5207144
2005	5174635
2006	5145919
2007	5124332
2008	5108481
2009	5098294
2010	5090285
2011	5082430
2012	5077517
2013	5076616
2014	5080019
2015	5087057
2016	5091613
2017	5086699
2018	5077117
2019	5069468
2020	5052036
2021	5014609
2022	4979107
2023	4955200