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	365
1987	5101
1988	9846
1989	15606
1990	31809
1991	47828
1992	61395
1993	85076
1994	183305
1995	471522
1996	887675
1997	1808292
1998	3895777
1999	9100381
2000	18279922
2001	25025108
2002	32439324
2003	42660021
2004	66274914
2005	100447296
2006	142189917
2007	174233001
2008	196635620
2009	206764427
2010	219897587
2011	240981389
2012	248388719
2013	257269636
2014	260048118
2015	260327755
2016	259511557
2017	265242570
2018	260265944
2019	273254533
2020	271435675
2021	281660823
2022	255742751