Year	Number of
1980	43062
1981	43506
1982	51206
1983	43185
1984	43875
1985	46941
1986	47557
1987	55505
1988	52463
1989	52270
1990	50203
1991	59784
1992	56594
1993	52994
1994	51763
1995	55739
1996	74711
1997	77838
1998	87468
1999	88879
2000	89792
2001	90728
2002	95711
2003	92741
2004	98173
2005	94916
2006	97363
2007	97400
2008	97772
2009	96861
2010	97448
2011	98804
2012	102112
2013	100395
2014	100349
2015	100780
2016	102097
2017	102725
2018	99658
2019	102503
2020	99852