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	1750
1985	2029
1986	16169
1987	30314
1988	57100
1989	102088
1990	186258
1991	360223
1992	720780
1993	1557270
1994	3153802
1995	6681417
1996	11850589
1997	19917392
1998	31163932
1999	54207214
2000	104729778
2001	180253549
2002	262310421
2003	347621894
2004	446496536
2005	537501180
2006	650484155
2007	825994363
2008	1024496557
2009	1195802357
2010	1389838588
2011	1600352039
2012	1791162726
2013	1948003065
2014	2067469137
2015	2094802008
2016	2243040034
2017	2394487598
2018	2507718052
2019	2689938457
2020	2645339057
2021	2677117672
2022	2659481463