2000 3
2000 4
2000 2
1999 1
1998 2
1997 2
1995 0
1995 4
1995 3
1995 2
1993 1
1991 0
1991 3
1989 0
1988 2
1988 0
1986 3
1983 4
1982 1
1981 3
1980 2