Year	Number
1960	1181227
1961	1212103
1962	1244739
1963	1280618
1964	1320107
1965	1361870
1966	1405104
1967	1449834
1968	1496178
1969	1544182
1970	1593974
1971	1645780
1972	1699734
1973	1755732
1974	1813681
1975	1873701
1976	1935992
1977	2000546
1978	2067184
1979	2136035
1980	2207123
1981	2280079
1982	2354918
1983	2431703
1984	2510277
1985	2590300
1986	2671463
1987	2753651
1988	2836108
1989	2918296
1990	3000202
1991	3081026
1992	3158704
1993	3233204
1994	3307009
1995	3381557
1996	3457100
1997	3533442
1998	3610649
1999	3689434
2000	3770839
2001	3855974
2002	3945060
2003	4037360
2004	4131492
2005	4226869
2006	4323886
2007	4422021
2008	4520345
2009	4618632
2010	4716961
2011	4815544
2012	4914152
2013	5012004
2014	5110229
2015	5211343
2016	5316250
2017	5426941
2018	5563064
2019	5702047
2020	5808434
2021	5901887
2022	5989020
2023	6068112