Year	Number
1960	792810
1961	817551
1962	841916
1963	864468
1964	884019
1965	909169
1966	941992
1967	975738
1968	1010405
1969	1045961
1970	1082483
1971	1119709
1972	1157884
1973	1197290
1974	1237832
1975	1279759
1976	1323199
1977	1368221
1978	1415036
1979	1463772
1980	1513813
1981	1564726
1982	1616523
1983	1669268
1984	1723133
1985	1778986
1986	1837939
1987	1899653
1988	1963964
1989	2031493
1990	2102122
1991	2175150
1992	2250592
1993	2329422
1994	2412207
1995	2499954
1996	2589488
1997	2677496
1998	2767389
1999	2859852
2000	2954454
2001	3051535
2002	3150733
2003	3253002
2004	3358689
2005	3468701
2006	3583786
2007	3704128
2008	3830543
2009	3963950
2010	4105874
2011	4257151
2012	4423064
2013	4599339
2014	4782097
2015	4973932
2016	5172714
2017	5375736
2018	5584326
2019	5800495
2020	6024274
2021	6257869
2022	6502499
2023	6760402