Year	Number
1960	953630
1961	977470
1962	1001214
1963	1024266
1964	1053135
1965	1089451
1966	1127351
1967	1166292
1968	1206432
1969	1247901
1970	1290485
1971	1334308
1972	1379847
1973	1427297
1974	1476834
1975	1527100
1976	1577567
1977	1624200
1978	1659247
1979	1696696
1980	1787734
1981	1891181
1982	1966393
1983	2036579
1984	2105976
1985	2184539
1986	2266845
1987	2340721
1988	2407732
1989	2492339
1990	2592100
1991	2696727
1992	2792028
1993	2855859
1994	2909263
1995	2991239
1996	3097774
1997	3208643
1998	3318626
1999	3416744
2000	3489574
2001	3535200
2002	3571130
2003	3605984
2004	3630626
2005	3645660
2006	3673390
2007	3704149
2008	3725212
2009	3752564
2010	3786586
2011	3831113
2012	3898157
2013	3987488
2014	4085144
2015	4187157
2016	4293477
2017	4402152
2018	4511959
2019	4621723
2020	4735472
2021	4852267
2022	4971664
2023	5100774