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	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	1275
2004	39451
2005	98825
2006	157330
2007	296223
2008	500156
2009	560345
2010	677365
2011	732634
2012	1049193
2013	939909
2014	1108297
2015	1238493
2016	1285835
2017	1434822