Year	Number
1960	339509
1961	351103
1962	363382
1963	376390
1964	390150
1965	404388
1966	419055
1967	434403
1968	450466
1969	467290
1970	484900
1971	503357
1972	522769
1973	543198
1974	564620
1975	586923
1976	609977
1977	633640
1978	657734
1979	682052
1980	706422
1981	730696
1982	754791
1983	778312
1984	801303
1985	824037
1986	846417
1987	868519
1988	890539
1989	913156
1990	937087
1991	962683
1992	990033
1993	1018951
1994	1049381
1995	1081113
1996	1113907
1997	1147816
1998	1182628
1999	1217836
2000	1252930
2001	1287295
2002	1320583
2003	1353026
2004	1384875
2005	1416170
2006	1446712
2007	1476304
2008	1504957
2009	1532630
2010	1559114
2011	1584256
2012	1608156
2013	1630688
2014	1651916
2015	1672361
2016	1691849
2017	1709531
2018	1725553
2019	1740439
2020	1753787
2021	1765378
2022	1776303
2023	1787560