Year	Number
1960	2366122
1961	2437246
1962	2509403
1963	2584970
1964	2664306
1965	2747778
1966	2835244
1967	2926363
1968	3021445
1969	3121394
1970	3226063
1971	3336856
1972	3453372
1973	3571133
1974	3692523
1975	3820331
1976	3952892
1977	4090008
1978	4231993
1979	4378344
1980	4528252
1981	4680883
1982	4832933
1983	4994708
1984	5170379
1985	5351282
1986	5536739
1987	5725450
1988	5915573
1989	6105375
1990	6294282
1991	6482015
1992	6670047
1993	6861420
1994	7054827
1995	7251008
1996	7449878
1997	7648408
1998	7847538
1999	8048389
2000	8251720
2001	8461998
2002	8680305
2003	8904161
2004	9141476
2005	9393082
2006	9818867
2007	10455630
2008	10842593
2009	11020640
2010	11277036
2011	11474102
2012	11405754
2013	10836931
2014	10109590
2015	9663595
2016	9533468
2017	9532365
2018	9697361
2019	10073931
2020	10407665
2021	10681137
2022	11078628
2023	11625364