2012 0
2011 0
2010 0
2009 3
2006 0
2002 2
2001 2
2000 2
1999 1
1998 2
1997 1
1997 2
1997 0
1992 0
1992 2
1990 0
1989 2
1988 0
1988 2
1986 1
1985 0
1980 0