Year	Total
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	0
1995	0
1996	525
1997	1503
1998	2730
1999	5036
2000	25245
2001	76186
2002	111013
2003	238094
2004	395939
2005	633554
2006	1016605
2007	1858038
2008	3024150
2009	3823625
2010	5707850
2011	7682100
2012	9976105
2013	11240886
2014	12494391
2015	14446897
2016	15404040
2017	17946375