Year	Number
1960	677798
1961	695102
1962	712552
1963	724791
1964	746485
1965	770036
1966	792248
1967	816210
1968	837944
1969	856425
1970	875010
1971	897822
1972	885120
1973	872225
1974	898969
1975	923831
1976	944273
1977	970537
1978	1002323
1979	1025706
1980	1080912
1981	1133527
1982	1154196
1983	1179648
1984	1200488
1985	1216531
1986	1227321
1987	1248383
1988	1267886
1989	1281654
1990	1300440
1991	1321424
1992	1360258
1993	1255861
1994	1258654
1995	1399877
1996	1384623
1997	1373669
1998	1417234
1999	1474258
2000	1520535
2001	1576825
2002	1640025
2003	1711604
2004	1799131
2005	1884178
2006	1963413
2007	2044512
2008	2141436
2009	2265029
2010	2373801
2011	2448074
2012	2522426
2013	2598638
2014	2671576
2015	2696492
2016	2701602
2017	2749271
2018	2841952
2019	2959583
2020	3068076
2021	3177629
2022	3296966
2023	3427003