Year	Number
1960	1277539
1961	1310619
1962	1347835
1963	1388982
1964	1430621
1965	1469865
1966	1507735
1967	1544601
1968	1579799
1969	1613285
1970	1644841
1971	1672878
1972	1694660
1973	1709241
1974	1715774
1975	1712131
1976	1696508
1977	1667829
1978	1626732
1979	1575940
1980	1518837
1981	1459568
1982	1406724
1983	1362715
1984	1322408
1985	1283966
1986	1247385
1987	1215152
1988	1190899
1989	1175149
1990	1166899
1991	1162516
1992	1159161
1993	1157286
1994	1157824
1995	1160917
1996	1164847
1997	1164669
1998	1158917
1999	1151008
2000	1141224
2001	1129556
2002	1115963
2003	1098675
2004	1077438
2005	1054293
2006	1031694
2007	1011876
2008	995655
2009	982945
2010	972442
2011	963078
2012	953385
2013	942436
2014	930536
2015	918717
2016	906583
2017	893794
2018	883149
2019	874584
2020	867137
2021	860203
2022	852408
2023	842630