Year	Number
1960	853898
1961	866385
1962	878736
1963	891132
1964	902689
1965	915880
1966	931687
1967	947489
1968	963503
1969	979926
1970	996834
1971	1013976
1972	1031627
1973	1049826
1974	1067248
1975	1082650
1976	1095844
1977	1107489
1978	1118864
1979	1136456
1980	1116963
1981	1097943
1982	1173173
1983	1253117
1984	1251961
1985	1245452
1986	1285333
1987	1339503
1988	1390393
1989	1438560
1990	1471518
1991	1528604
1992	1600523
1993	1616917
1994	1632745
1995	1714600
1996	1795812
1997	1844225
1998	1898324
1999	1961265
2000	2023613
2001	2083345
2002	2151998
2003	2247700
2004	2367477
2005	2472426
2006	2560924
2007	2647479
2008	2742906
2009	2843809
2010	2940091
2011	3047206
2012	3160310
2013	3282153
2014	3410878
2015	3520693
2016	3633219
2017	3763456
2018	3902981
2019	4043496
2020	4183064
2021	4331409
2022	4482300
2023	4636594