Year	Number
1960	3749915
1961	3767134
1962	3787478
1963	3808406
1964	3836400
1965	3872228
1966	3908895
1967	3938791
1968	3960940
1969	3989235
1970	4027560
1971	4056974
1972	4071143
1973	4080732
1974	4095604
1975	4115113
1976	4133517
1977	4151912
1978	4167829
1979	4180640
1980	4192385
1981	4200142
1982	4204946
1983	4208982
1984	4214619
1985	4222977
1986	4233935
1987	4249091
1988	4269192
1989	4297776
1990	4330930
1991	4360353
1992	4385784
1993	4411003
1994	4442313
1995	4465753
1996	4472856
1997	4475229
1998	4477326
1999	4479906
2000	4485532
2001	4495417
2002	4507394
2003	4521528
2004	4536646
2005	4551999
2006	4574597
2007	4604872
2008	4636700
2009	4672101
2010	4707641
2011	4738700
2012	4768910
2013	4804202
2014	4846823
2015	4892930
2016	4949232
2017	5010725
2018	5063720
2019	5110007
2020	5142210
2021	5169131
2022	5201777
2023	5224802