Year	Number
1960	3734741
1961	3752865
1962	3774110
1963	3795922
1964	3824954
1965	3861625
1966	3898902
1967	3929139
1968	3951334
1969	3978836
1970	4015240
1971	4041360
1972	4051156
1973	4055580
1974	4064350
1975	4077325
1976	4088769
1977	4099627
1978	4107770
1979	4113039
1980	4118146
1981	4120361
1982	4120317
1983	4120051
1984	4121986
1985	4127408
1986	4135895
1987	4148713
1988	4167298
1989	4195188
1990	4227905
1991	4257022
1992	4282283
1993	4307558
1994	4338433
1995	4361185
1996	4368142
1997	4370833
1998	4373648
1999	4377968
2000	4386578
2001	4400543
2002	4417564
2003	4436701
2004	4456884
2005	4477573
2006	4505908
2007	4543220
2008	4582936
2009	4626413
2010	4670485
2011	4710512
2012	4750463
2013	4796177
2014	4849287
2015	4906255
2016	4973853
2017	5046973
2018	5111494
2019	5168880
2020	5211232
2021	5246680
2022	5285164
2023	5311829