Year	Number
1960	4944546
1961	4938176
1962	4958298
1963	4982413
1964	5011835
1965	5038247
1966	5060039
1967	5077191
1968	5090286
1969	5102133
1970	5083649
1971	5068741
1972	5090538
1973	5118767
1974	5152390
1975	5187975
1976	5222403
1977	5253284
1978	5281019
1979	5305972
1980	5310991
1981	5308105
1982	5314679
1983	5318358
1984	5320542
1985	5323344
1986	5325087
1987	5326681
1988	5330068
1989	5332410
1990	5318020
1991	5304693
1992	5308740
1993	5312514
1994	5312264
1995	5307128
1996	5299347
1997	5292175
1998	5285676
1999	5278655
2000	5262270
2001	5239852
2002	5225903
2003	5220524
2004	5218325
2005	5221632
2006	5231604
2007	5258186
2008	5297914
2009	5323944
2010	5335288
2011	5343378
2012	5349512
2013	5350915
2014	5355330
2015	5363145
2016	5370608
2017	5382150
2018	5397481
2019	5416114
2020	5428157
2021	5331795
2022	5414896
2023	5511370