Year	Number
1960	1284958
1961	1292480
1962	1300058
1963	1307679
1964	1315356
1965	1323057
1966	1330813
1967	1338615
1968	1346474
1969	1354356
1970	1362296
1971	1370283
1972	1378327
1973	1386397
1974	1394524
1975	1402912
1976	1413053
1977	1423239
1978	1433513
1979	1443860
1980	1454297
1981	1464780
1982	1475354
1983	1486004
1984	1496745
1985	1507535
1986	1516381
1987	1524350
1988	1532372
1989	1540415
1990	1548510
1991	1556648
1992	1564840
1993	1573053
1994	1581320
1995	1589631
1996	1597189
1997	1597988
1998	1598789
1999	1599589
2000	1600392
2001	1601192
2002	1601994
2003	1602797
2004	1603601
2005	1612740
2006	1621967
2007	1631247
2008	1640593
2009	1649967
2010	1659407
2011	1668901
2012	1678462
2013	1688078
2014	1697749
2015	1707475
2016	1717257
2017	1727095
2018	1736989
2019	1744700
2020	1752388
2021	1759906
2022	1767243
2023	1774396