Year	Number
1960	573380
1961	590319
1962	608065
1963	626577
1964	645707
1965	665293
1966	685310
1967	705714
1968	726438
1969	747457
1970	768741
1971	790338
1972	812266
1973	834361
1974	856513
1975	878700
1976	900848
1977	922947
1978	945053
1979	967300
1980	989870
1981	1012894
1982	1036431
1983	1060506
1984	1084972
1985	1109603
1986	1134401
1987	1159345
1988	1184399
1989	1209320
1990	1234559
1991	1260244
1992	1286067
1993	1312313
1994	1338985
1995	1366096
1996	1393671
1997	1421693
1998	1450127
1999	1478953
2000	1508117
2001	1537633
2002	1567505
2003	1597706
2004	1628444
2005	1659586
2006	1690750
2007	1722008
2008	1753495
2009	1785120
2010	1816819
2011	1848911
2012	1881611
2013	1914627
2014	1947968
2015	1981879
2016	2016278
2017	2050907
2018	2085213
2019	2118501
2020	2148870
2021	2176523
2022	2204410
2023	2233572