Year	Number
1960	1430929
1961	1436773
1962	1445333
1963	1455661
1964	1465853
1965	1475577
1966	1484942
1967	1494254
1968	1504710
1969	1515460
1970	1524229
1971	1530999
1972	1535970
1973	1539625
1974	1543132
1975	1547025
1976	1551702
1977	1556223
1978	1560256
1979	1563503
1980	1568837
1981	1581929
1982	1600378
1983	1616798
1984	1626497
1985	1630120
1986	1632004
1987	1634260
1988	1636292
1989	1637657
1990	1638450
1991	1604617
1992	1562803
1993	1571612
1994	1591111
1995	1576554
1996	1549051
1997	1538119
1998	1534691
1999	1526642
2000	1511038
2001	1452254
2002	1450543
2003	1449478
2004	1448122
2005	1447638
2006	1445824
2007	1443113
2008	1440698
2009	1438590
2010	1437110
2011	1432335
2012	1424628
2013	1415645
2014	1402827
2015	1383322
2016	1365782
2017	1340508
2018	1318276
2019	1300007
2020	1284284
2021	1222426
2022	1207428
2023	1200009