Year	Number
1982	50755
1983	46092
1984	46175
1985	48783
1986	51715
1987	55011
1988	57749
1989	51852
1990	68396
1991	33314
1992	31271
1993	42169
1994	39339
1995	56093
1996	51117
1998	27811
1999	16606
2000	8255
2012	8595
2013	7677
2014	5081
2016	10005
2017	6863
2018	4547
2019	21030
2020	22710
2021	42394