Year	Number
1960	879042
1961	897378
1962	916015
1963	934515
1964	954918
1965	977921
1966	1003057
1967	1027340
1968	1048975
1969	1072508
1970	1101803
1971	1130507
1972	1155276
1973	1179289
1974	1205821
1975	1233317
1976	1258720
1977	1285215
1978	1311453
1979	1334506
1980	1353912
1981	1369424
1982	1384365
1983	1398641
1984	1411976
1985	1433145
1986	1458905
1987	1478630
1988	1493699
1989	1509247
1990	1523804
1991	1532874
1992	1537643
1993	1540949
1994	1547091
1995	1551575
1996	1550209
1997	1547043
1998	1542348
1999	1535993
2000	1531731
2001	1531389
2002	1532906
2003	1537272
2004	1546490
2005	1556703
2006	1569778
2007	1592536
2008	1625488
2009	1667583
2010	1713176
2011	1757323
2012	1799295
2013	1840599
2014	1882148
2015	1919828
2016	1955588
2017	1990782
2018	2022999
2019	2052649
2020	2074063
2021	2094024
2022	2123501
2023	2152265