Year	Number
1960	229792
1961	240155
1962	251001
1963	262364
1964	274348
1965	286844
1966	299928
1967	313608
1968	327933
1969	342870
1970	358509
1971	374861
1972	391984
1973	409364
1974	424290
1975	439760
1976	455817
1977	472413
1978	489638
1979	507491
1980	526020
1981	545173
1982	565050
1983	585653
1984	606945
1985	627401
1986	648576
1987	670465
1988	693125
1989	716486
1990	740667
1991	765665
1992	791543
1993	818220
1994	845835
1995	874383
1996	903935
1997	934400
1998	965936
1999	998537
2000	1032031.9999999999
2001	1047859.9999999999
2002	1063952
2003	1080292
2004	1096906
2005	1113729
2006	1130833
2007	1148200
2008	1165858
2009	1183738
2010	1201918
2011	1220377
2012	1239145
2013	1258149
2014	1277471
2015	1297091
2016	1317039
2017	1337237
2018	1357745
2019	1378546
2020	1399629
2021	1420533
2022	1441324
2023	1461989