Year	Number
1960	554389
1961	561309
1962	567967
1963	573514
1964	578105
1965	583091
1966	589025
1967	596272
1968	605329
1969	617506
1970	632457
1971	648776
1972	666702
1973	686650
1974	708729
1975	733037
1976	759340
1977	787417
1978	817153
1979	846812
1980	875618
1981	904439
1982	933576
1983	963250
1984	993466
1985	1024206
1986	1055512
1987	1087689
1988	1121183
1989	1153716
1990	1184605
1991	1215622
1992	1246876
1993	1278433
1994	1310051
1995	1341254
1996	1371752
1997	1402039
1998	1433440
1999	1467138
2000	1504193
2001	1543652
2002	1583655
2003	1623833
2004	1663302
2005	1700690
2006	1734802
2007	1765058
2008	1792060
2009	1816723
2010	1840483
2011	1868159
2012	1898699
2013	1927681
2014	1955829
2015	1982659
2016	2008098
2017	2031574
2018	2052768
2019	2072919
2020	2093145
2021	2114128
2022	2138395
2023	2168290