Year	Number
1960	763720
1961	779806
1962	796428
1963	814311
1964	833844
1965	854197
1966	874874
1967	896116
1968	917880
1969	940076
1970	962623
1971	985548
1972	1008757
1973	1031916
1974	1055222
1975	1078861
1976	1102895
1977	1127524
1978	1152640
1979	1178117
1980	1203859
1981	1229787
1982	1255714
1983	1281473
1984	1307264
1985	1333402
1986	1359865
1987	1386774
1988	1414013
1989	1441142
1990	1468224
1991	1494961
1992	1520820
1993	1544633
1994	1566378
1995	1587326
1996	1607853
1997	1627674
1998	1646867
1999	1666001
2000	1684155
2001	1700982
2002	1716379
2003	1730076
2004	1742527
2005	1753957
2006	1765616
2007	1777638
2008	1789269
2009	1800990
2010	1812935
2011	1824662
2012	1836305
2013	1847621
2014	1857728
2015	1867047
2016	1876353
2017	1885394
2018	1893693
2019	1901305
2020	1908392
2021	1914094
2022	1918702
2023	1922993