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	1500
1989	10800
1990	81852
1991	208013
1992	436290
1993	759888
1994	1630048
1995	2979519
1996	5304500
1997	10725234
1998	17371881
1999	32571932
2000	52430080
2001	69944496
2002	85370405
2003	108166576
2004	151918791
2005	210751963
2006	265828222
2007	333210355
2008	405127542
2009	453110542
2010	507584124
2011	561939814
2012	593362005
2013	634608435
2014	638605133
2015	623760456
2016	622408516
2017	610728743
2018	608297524
2019	600123292
2020	603904274
2021	644060909
2022	619206648