Year	Number
1960	590216
1961	606440
1962	623432
1963	641089
1964	659559
1965	678888
1966	698889
1967	719652
1968	741265
1969	763718
1970	787062
1971	811400
1972	836807
1973	863314
1974	890915
1975	919632
1976	949487
1977	980515
1978	1012722
1979	1045975
1980	1080128
1981	1115220
1982	1151206
1983	1187908
1984	1225230
1985	1263101
1986	1301520
1987	1340394
1988	1379418
1989	1418196
1990	1457219
1991	1496847
1992	1536789
1993	1577101
1994	1617905
1995	1659399
1996	1701737
1997	1744961
1998	1789109
1999	1833910
2000	1878936
2001	1924204
2002	1969689
2003	2015325
2004	2061226
2005	2107300
2006	2152842
2007	2197793
2008	2242582
2009	2287208
2010	2331763
2011	2376356
2012	2421064
2013	2466066
2014	2511529
2015	2557704
2016	2604773
2017	2652304
2018	2699517
2019	2746092
2020	2789531
2021	2829475
2022	2869851
2023	2911425