Year	Total
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	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	7890.4
2002	12399
2003	15781
2004	14090
2005	27973
2006	19822
2007	55475
2008	64181
2009	23515
2010	67586
2011	64150
2012	73815
2013	95956
2014	141110
2015	99539
2016	99811