Year	Number
1960	1473916
1961	1521112
1962	1560462
1963	1587748
1964	1612642
1965	1660962
1966	1716686
1967	1765936
1968	1820937
1969	1869958
1970	1926652
1971	1983741
1972	2036833
1973	2089937
1974	2131963
1975	2181192
1976	2241302
1977	2300444
1978	2361443
1979	2422038
1980	2483994
1981	2540705
1982	2594699
1983	2647365
1984	2699463
1985	2758222
1986	2823907
1987	2898886
1988	2978513
1989	3057545
1990	3136803
1991	3214436
1992	3292288
1993	3372285
1994	3454573
1995	3540751
1996	3625666
1997	3709676
1998	3794688
1999	3870429
2000	3941256
2001	4026206
2002	4104599
2003	4148950
2004	4169346
2005	4214274
2006	4272217
2007	4316099
2008	4377573
2009	4451711
2010	4531070
2011	4608900
2012	4679208
2013	4759653
2014	4845371
2015	4911886
2016	4972155
2017	5040854
2018	5114608
2019	5196043
2020	5266336
2021	5328637
2022	5459304
2023	5645072