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	0
1993	0
1994	9200
1995	15902
1996	59967
1997	238942
1998	389974
1999	490478
2000	962595
2001	2087353
2002	2279143
2003	3449876
2004	5075678
2005	8510513
2006	15385289
2007	29770000
2008	43000000
2009	52555000
2010	54051764
2011	56043006
2012	58157539
2013	65246219
2014	68891151
2015	74218815
2016	80520249
2017	87046953
2018	88722442
2019	118061419
2020	127624951
2021	135889424
2022	145667536