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	1557420
1994	3154252
1995	6681917
1996	11851189
1997	19918142
1998	31164782
1999	54208214
2000	104730978
2001	180255049
2002	262312879
2003	347625818
2004	446500460
2005	537507231
2006	650492501
2007	826005054
2008	1024508224
2009	1195745840
2010	1389427381
2011	1599374184
2012	1789486677
2013	1945601010
2014	2064688251
2015	2091595151
2016	2239443934
2017	2390687598
2018	2507718052
2019	2685719457
2020	2639373057
2021	2671151672
2022	2659505463