Year	Number
1960	5122534
1961	5297287
1962	5439492
1963	5590700
1964	5783707
1965	6039263
1966	6293860
1967	6546087
1968	6816712
1969	7078859
1970	7326116
1971	7602017
1972	7899095
1973	8177252
1974	8479078
1975	8795193
1976	9116432
1977	9461527
1978	9813269
1979	10136296
1980	10349386
1981	10377827
1982	10292229
1983	10255259
1984	10266485
1985	10206251
1986	10154921
1987	10177250
1988	10293146
1989	10534598
1990	10813497
1991	11147802
1992	11509444
1993	11861485
1994	12156076
1995	12381642
1996	12518229
1997	12600698
1998	12602535
1999	12488728
2000	12424028
2001	12475490
2002	12650661
2003	12922059
2004	13208295
2005	13438693
2006	13579175
2007	13530990
2008	13232211
2009	12856608
2010	12551469
2011	12472009
2012	12602248
2013	12776518
2014	13037416
2015	13342753
2016	13619113
2017	13914052
2018	14201817
2019	14525080
2020	14868747
2021	15085300
2022	15210492
2023	15478621