Year	Number
1960	1588198
1961	1612573
1962	1632669
1963	1647980
1964	1659782
1965	1667014
1966	1672038
1967	1674332
1968	1673944
1969	1671552
1970	1668759
1971	1666636
1972	1663807
1973	1660338
1974	1656667
1975	1652304
1976	1647213
1977	1640497
1978	1632631
1979	1625352
1980	1619130
1981	1612977
1982	1607230
1983	1601473
1984	1595628
1985	1589337
1986	1582956
1987	1576958
1988	1568664
1989	1568979
1990	1579027
1991	1585643
1992	1589726
1993	1592092
1994	1591011
1995	1586046
1996	1585644
1997	1591624
1998	1602810
1999	1612077
2000	1620588
2001	1628640
2002	1636519
2003	1643529
2004	1651023
2005	1653222
2006	1649526
2007	1646600
2008	1644358
2009	1643171
2010	1642419
2011	1642356
2012	1643027
2013	1643474
2014	1643358
2015	1630971
2016	1611524
2017	1582663
2018	1553149
2019	1525908
2020	1506003
2021	1479663
2022	1442777
2023	1408252