Year	Number
1960	477242
1961	484218
1962	491395
1963	498708
1964	506982
1965	516493
1966	526547
1967	537024
1968	547911
1969	559066
1970	569733
1971	579280
1972	588007
1973	596666
1974	605789
1975	615468
1976	622332
1977	626121
1978	629956
1979	633881
1980	637969
1981	642325
1982	647044
1983	652160
1984	657497
1985	662782
1986	667942
1987	673020
1988	680760
1989	696365
1990	717266
1991	739021
1992	762632
1993	787981
1994	814476
1995	838829
1996	863028
1997	889959
1998	917776
1999	946871
2000	977225
2001	1002890
2002	1029001
2003	1056490
2004	1080261
2005	1105901
2006	1127294
2007	1146079
2008	1168596
2009	1192683
2010	1215196
2011	1226559
2012	1224076
2013	1217161
2014	1197773
2015	1190588
2016	1211541
2017	1234613
2018	1259061
2019	1289688
2020	1327520
2021	1355930
2022	1387145
2023	1435464