Year	Number
1984	235600
1985	239861
1986	251194
1988	270033
1989	278204
1990	313307
1992	310473
1993	305149
1994	304818
1995	300243
1996	295388
1997	284152
2006	162785
2008	126758
2009	82945
2018	80122
2019	127747
2020	135169
2021	112290
2022	88224