Year	Number
1960	1196813
1961	1217649
1962	1240048
1963	1263722
1964	1288754
1965	1315128
1966	1342706
1967	1371386
1968	1401205
1969	1432293
1970	1464613
1971	1498206
1972	1533300
1973	1569818
1974	1607735
1975	1647324
1976	1688899
1977	1732575
1978	1778156
1979	1825979
1980	1876734
1981	1930502
1982	1986802
1983	2045101
1984	2105387
1985	2168164
1986	2233753
1987	2302156
1988	2373455
1989	2447578
1990	2524606
1991	2604643
1992	2687329
1993	2812168
1994	2921767
1995	2984662
1996	3065171
1997	3158795
1998	3259075
1999	3362608
2000	3468525
2001	3576763
2002	3688186
2003	3803644
2004	3923249
2005	4050781
2006	4177609
2007	4302650
2008	4434190
2009	4568957
2010	4707267
2011	4849408
2012	4995588
2013	5145619
2014	5301391
2015	5463004
2016	5629265
2017	5800206
2018	5974735
2019	6152125
2020	6330776
2021	6509711
2022	6689295
2023	6870720