Year	Number
1960	2001044
1961	2038685
1962	2076670
1963	2113452
1964	2150802
1965	2190272
1966	2229977
1967	2270188
1968	2311097
1969	2352604
1970	2394786
1971	2437633
1972	2480963
1973	2524657
1974	2569415
1975	2616056
1976	2664523
1977	2714729
1978	2766568
1979	2819744
1980	2873908
1981	2929533
1982	2987093
1983	3045852
1984	3105563
1985	3167029
1986	3230697
1987	3296223
1988	3363327
1989	3431711
1990	3500949
1991	3570128
1992	3639023
1993	3708064
1994	3777025
1995	3846577
1996	3917385
1997	3988932
1998	4061127
1999	4134687
2000	4210027
2001	4285558
2002	4360349
2003	4435711
2004	4510238
2005	4585537
2006	4663269
2007	4741167
2008	4819071
2009	4897538
2010	4952137
2011	5006574
2012	5084975
2013	5162748
2014	5240216
2015	5317590
2016	5394724
2017	5471873
2018	5548683
2019	5625310
2020	5701407
2021	5774718
2022	5846285
2023	5919066