Year	Number
1960	536077
1961	550283
1962	565074
1963	580530
1964	596688
1965	613576
1966	631244
1967	649644
1968	668856
1969	688963
1970	709923
1971	731815
1972	754678
1973	778389
1974	802815
1975	825580
1976	846385
1977	867330
1978	888379
1979	909386
1980	930396
1981	951516
1982	972517
1983	993087
1984	1018468
1985	1049265
1986	1080811
1987	1113060
1988	1145648
1989	1178665
1990	1211708
1991	1245051
1992	1278660
1993	1314536
1994	1351268
1995	1386962
1996	1423251
1997	1453519
1998	1486105
1999	1525600
2000	1583527
2001	1642642
2002	1680249
2003	1726060
2004	1784261
2005	1848198
2006	1917479
2007	1988080
2008	2053874
2009	2136899
2010	2226558
2011	2299164
2012	2363092
2013	2419983
2014	2478001
2015	2537273
2016	2598046
2017	2660503
2018	2724474
2019	2788979
2020	2854622
2021	2921372
2022	2988624
2023	3056928