Year	Number
1960	2666002
1961	2740661
1962	2805982
1963	2877140
1964	2951144
1965	3015947
1966	3079408
1967	3148292
1968	3212990
1969	3276062
1970	3341022
1971	3409759
1972	3481916
1973	3555959
1974	3631009
1975	3780043
1976	4009750
1977	4176407
1978	4274125
1979	4375475
1980	4483908
1981	4600249
1982	4722030
1983	4847006
1984	4972921
1985	5098663
1986	5218659
1987	5325787
1988	5419254
1989	5501061
1990	5569021
1991	5629831
1992	5691029
1993	5743138
1994	5776401
1995	5777046
1996	5732090
1997	5654930
1998	5558972
1999	5451960
2000	5344618
2001	5239769
2002	5140367
2003	5053170
2004	4984584
2005	4934992
2006	4907437
2007	4905212
2008	4929179
2009	4980430
2010	5059571
2011	5166560
2012	5301988
2013	5469643
2014	5661121
2015	5862771
2016	6069279
2017	6275644
2018	6471879
2019	6648729
2020	6802559
2021	6929818
2022	7026587
2023	7090076