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	1754
1993	5980
1994	9681
1995	22229
1996	34650
1997	57706
1998	123108
1999	242154
2000	660397
2001	1766290
2002	3442797
2003	7137704
2004	12603310
2005	19048645
2006	32417143
2007	53576576
2008	82734937
2009	106344112
2010	137638825
2011	178489783
2012	209632703
2013	249258440
2014	288198925
2015	311800646
2016	309044869
2017	316832199
2018	269560205
2019	345636071
2020	371105822
2021	407805895
2022	311394076