2017 0
2016 0
2015 0
2015 2
2012 0
2011 0
2006 0
2003 0
2002 0
2000 1
1996 0
1994 1
1989 1
1989 0
1987 0
1985 0
1984 1
1981 0
1979 0
1978 0
1976 0
1975 1