Year	Number
1976	372180
1979	347373
1981	627562
1982	688610
1983	855399
1984	949789
1985	658951
1986	705985
1987	658381
1988	458432
1989	304175
1990	178374
1992	396901
1993	421681
1994	515819
1996	155146
1998	669905
1999	1086023
2001	1056151
2002	1058027
2003	1157167
2004	1264830
2005	1215802
2006	1432239
2007	1505884
2008	1334550
2009	1002958
2014	737647
2015	799504
2016	913638
2017	971896
2018	1007092
2019	845764
2020	826193
2021	1455079
2022	1339277