1980	9
1981	4
1982	6
1983	372
1984	-999
1985	-999
1986	-999
1987	-999
1988	0
1989	0
1990	0
1991	0
1992	0
1993	39
1994	79
1995	0
1996	182
1997	6
1998	0
1999	0
2000	0
2001	0
2002	51
2003	24
2004	1
2005	2
2006	79
2007	0