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	884
1993	12490
1994	22039
1995	29608
1996	62624
1997	114533
1998	250439
1999	541133
2000	1431350
2001	2909838
2002	5969123
2003	9735926
2004	19105652
2005	33767329
2006	57011943
2007	82031960
2008	124199619
2009	153644367
2010	186265721
2011	213479494
2012	252867120
2013	290449890
2014	319468155
2015	348206501
2016	356136490
2017	358816819
2018	384382192
2019	423111445
2020	458751374
2021	461471607
2022	426795276