Year	Number
1960	1656257
1961	1710688
1962	1766296
1963	1822875
1964	1880396
1965	1936949
1966	1994508
1967	2054711
1968	2114983
1969	2175307
1970	2235957
1971	2297049
1972	2358664
1973	2421030
1974	2483928
1975	2547084
1976	2610764
1977	2674916
1978	2739419
1979	2804055
1980	2868585
1981	2932965
1982	2997552
1983	3063442
1984	3130709
1985	3198389
1986	3266474
1987	3335442
1988	3405865
1989	3478372
1990	3552383
1991	3626593
1992	3700622
1993	3774635
1994	3853829
1995	3937354
1996	4019019
1997	4098186
1998	4174323
1999	4248886
2000	4323440
2001	4397423
2002	4464921
2003	4526492
2004	4587454
2005	4647506
2006	4706176
2007	4763782
2008	4822328
2009	4882666
2010	4943959
2011	5005175
2012	5065869
2013	5126060
2014	5185752
2015	5244874
2016	5303141
2017	5360426
2018	5416994
2019	5472410
2020	5527482
2021	5582224
2022	5634261
2023	5683423