Year	Number
1960	962214
1961	974805
1962	989548
1963	1009711
1964	1034622
1965	1060462
1966	1086605
1967	1113199
1968	1140323
1969	1167635
1970	1195037
1971	1222548
1972	1250478
1973	1279437
1974	1309974
1975	1342771
1976	1378257
1977	1417175
1978	1460100
1979	1506531
1980	1555736
1981	1607213
1982	1660890
1983	1716961
1984	1776100
1985	1838721
1986	1903500
1987	1969141
1988	2034870
1989	2100188
1990	2165300
1991	2229904
1992	2293398
1993	2355347
1994	2416341
1995	2477838
1996	2540503
1997	2604056
1998	2669292
1999	2736560
2000	2805373
2001	2876188
2002	2949497
2003	3027411
2004	3111131
2005	3200555
2006	3296633
2007	3398593
2008	3505442
2009	3616647
2010	3731103
2011	3848319
2012	3968266
2013	4089683
2014	4210689
2015	4329584
2016	4444590
2017	4554359
2018	4659151
2019	4760082
2020	4857067
2021	4948932
2022	5035243
2023	5116763