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	3917
1988	12000
1989	30971
1990	125486
1991	297650
1992	647522
1993	1135572
1994	2255194
1995	3928099
1996	6648040
1997	12754452
1998	21248433
1999	40120477
2000	63763645
2001	84724348
2002	101590245
2003	126313264
2004	174822263
2005	240755475
2006	306543468
2007	382524993
2008	460658973
2009	514300801
2010	573298953
2011	631242627
2012	665970257
2013	707502300
2014	712256783
2015	694215598
2016	690844178
2017	675948456
2018	670708069
2019	661864720
2020	664048572
2021	706755157
2022	681825422