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
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	1980
2003	4819
2004	7745
2005	11953
2006	18424
2007	30099
2008	50551
2009	80829
2010	102730
2011	115038
2012	122172
2013	125329
2014	128500
2015	184971
2016	178047
2017	173963
2018	162610
2019	165761
2020	174203
2021	189239
2022	197318