Year	Number
1960	3152143
1961	3224618
1962	3300380
1963	3378463
1964	3458621
1965	3539859
1966	3621782
1967	3704482
1968	3790743
1969	3882028
1970	3977933
1971	4079544
1972	4185940
1973	4298933
1974	4419392
1975	4544440
1976	4676306
1977	4815312
1978	4963732
1979	5118324
1980	5263439
1981	5393078
1982	5530141
1983	5677272
1984	5831269
1985	5991066
1986	6149805
1987	6316431
1988	6474643
1989	6629635
1990	6782281
1991	6929783
1992	7101146
1993	7294763
1994	7496382
1995	7693176
1996	7876946
1997	8061101
1998	8248517
1999	8449727
2000	8662158
2001	8880008
2002	9121222
2003	9372244
2004	9617699
2005	9869443
2006	10120570
2007	10365638
2008	10630065
2009	10919395
2010	11229769
2011	11565054
2012	11920316
2013	12282720
2014	12638582
2015	13010588
2016	13420345
2017	13865207
2018	14346230
2019	14853055
2020	15332006
2021	15753477
2022	16177887
2023	16665889