Year	Number
1960	1329658
1961	1363909
1962	1402441
1963	1445150
1964	1488630
1965	1529790
1966	1569539
1967	1608313
1968	1645443
1969	1680893
1970	1714440
1971	1744676
1972	1768889
1973	1785963
1974	1794921
1975	1793545
1976	1780094
1977	1753391
1978	1713803
1979	1663860
1980	1606908
1981	1546018
1982	1490338
1983	1443736
1984	1400874
1985	1360066
1986	1321547
1987	1288110
1988	1263809
1989	1249083
1990	1242538
1991	1240062
1992	1238565
1993	1238604
1994	1240333
1995	1243668
1996	1247715
1997	1246948
1998	1239242
1999	1228313
2000	1214773
2001	1198890
2002	1181494
2003	1162585
2004	1141071
2005	1117357
2006	1093555
2007	1072024
2008	1054432
2009	1041187
2010	1030354
2011	1019748
2012	1008785
2013	997395
2014	985523
2015	974207
2016	962844
2017	950712
2018	940626
2019	932477
2020	925214
2021	918237
2022	910227
2023	900282