Year	Number
1960	258165
1961	265430
1962	273038
1963	283782
1964	293024
1965	301879
1966	311846
1967	295040
1968	576889
1969	580025
1970	585231
1971	596684
1972	608237
1973	607485
1974	616545
1975	631554
1976	641403
1977	656181
1978	672664
1979	685793
1980	697453
1981	707689
1982	722965
1983	738797
1984	775798
1985	792997
1986	808938
1987	828482
1988	856639
1989	886736
1990	931338
1991	987508
1992	1055436
1993	1117275
1994	1178777
1995	1224996
1996	1270333
1997	1308438
1998	1348288
1999	1384655
2000	1428891
2001	1483394
2002	1532589
2003	1587920
2004	1634952
2005	1685851
2006	1739266
2007	1793901
2008	1836123
2009	1885188
2010	1841769
2011	1895043
2012	1944544
2013	1994493
2014	2051096
2015	2104001
2016	2158274
2017	2214783
2018	2267747
2019	2319073
2020	2348243
2021	2400208
2022	2454258
2023	2482144