Year	Number
1960	720774
1961	731923
1962	749106
1963	770579
1964	796234
1965	826249
1966	860093
1967	897089
1968	936528
1969	977875
1970	1015401
1971	1048134
1972	1084236
1973	1126410
1974	1173676
1975	1225690
1976	1285495
1977	1356817
1978	1440091
1979	1534332
1980	1620124
1981	1681869
1982	1731292
1983	1777049
1984	1819114
1985	1857867
1986	1895201
1987	1933417
1988	1971481
1989	2007535
1990	2048485
1991	2101725
1992	2165339
1993	2233840
1994	2302266
1995	2374470
1996	2464594
1997	2574652
1998	2695361
1999	2823480
2000	2941708
2001	3043316
2002	3145789
2003	3250756
2004	3351259
2005	3447376
2006	3543683
2007	3650557
2008	3773080
2009	3907149
2010	4043846
2011	4173720
2012	4305149
2013	4452126
2014	4613826
2015	4778189
2016	4951008
2017	5144457
2018	5359300
2019	5599106
2020	5858823
2021	6065455
2022	6282669
2023	6576934