Year	Number
1960	631724
1961	651403
1962	671015
1963	690677
1964	710071
1965	727847
1966	744544
1967	761839
1968	779847
1969	798517
1970	817994
1971	838039
1972	858816
1973	880750
1974	902216
1975	923231
1976	945340
1977	970627
1978	1043713
1979	1184093
1980	1293149
1981	1306694
1982	1315392
1983	1363054
1984	1419527
1985	1484709
1986	1554439
1987	1618666
1988	1629502
1989	1613092
1990	1615918
1991	1552647
1992	1468888
1993	1509204
1994	1592260
1995	1655036
1996	1719732
1997	1784178
1998	1862574
1999	1942143
2000	2023735
2001	2108242
2002	2191269
2003	2277096
2004	2368753
2005	2464534
2006	2558300
2007	2651409
2008	2731169
2009	2794714
2010	2860012
2011	2899389
2012	2946836
2013	3039183
2014	3141899
2015	3243962
2016	3363332
2017	3491333
2018	3611787
2019	3736616
2020	3857925
2021	3973536
2022	4089350
2023	4205848