Year	Number
1960	371947
1961	383558
1962	395882
1963	409425
1964	424646
1965	438929
1966	452058
1967	468896
1968	489508
1969	511476
1970	534584
1971	558665
1972	583591
1973	609254
1974	635542
1975	661833
1976	686708
1977	706773
1978	723629
1979	741078
1980	758906
1981	777165
1982	796041
1983	815671
1984	835983
1985	858046
1986	884467
1987	908308
1988	926257
1989	944035
1990	962268
1991	980967
1992	999834
1993	1018503
1994	1037215
1995	1055695
1996	1072884
1997	1089115
1998	1104182
1999	1117063
2000	1127531
2001	1135396
2002	1141241
2003	1145280
2004	1147044
2005	1148468
2006	1154270
2007	1165610
2008	1179562
2009	1193346
2010	1206870
2011	1221461
2012	1237025
2013	1252899
2014	1268650
2015	1285685
2016	1304623
2017	1324837
2018	1345992
2019	1366963
2020	1387660
2021	1407511
2022	1425562
2023	1443500