Year	Number
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1992	70
1993	83
1994	150
1995	215
1996	280
1997	346
1998	750
1999	1420
2000	2361
2001	7492
2002	9982
2003	62911
2004	72000
2005	70620
2006	87634
2007	110491
2008	130098
2009	121114
2010	131791
2011	131809
2012	126992
2013	125378
2014	115017
2015	113371
2016	112649
2017	115844
2018	112443
2019	96373
2020	100362
2021	98231
2022	104428