Year	Number
1960	528653
1961	546815
1962	565626
1963	585085
1964	605241
1965	626033
1966	647570
1967	669847
1968	692924
1969	716728
1970	740104
1971	762676
1972	785969
1973	809906
1974	834607
1975	860062
1976	886329
1977	913323
1978	941178
1979	961733
1980	972750
1981	983863
1982	995118
1983	1006502
1984	1018032
1985	1029662
1986	1041442
1987	1053356
1988	1065422
1989	1074502
1990	1080109
1991	1085745
1992	1091418
1993	1097106
1994	1102831
1995	1108585
1996	1114378
1997	1120185
1998	1126031
1999	1138016
2000	1159742
2001	1181821
2002	1204352
2003	1227312
2004	1250743
2005	1274554
2006	1298853
2007	1323615
2008	1348884
2009	1380452
2010	1424297
2011	1469534
2012	1516273
2013	1564364
2014	1614050
2015	1665315
2016	1718281
2017	1772779
2018	1829005
2019	1862809
2020	1895742
2021	1927623
2022	1958135
2023	1987301