1988 1991 1997 1983 1982 1986 1993 1983 1997 1987 1988 1991 1985 1987 1988 1989 1995 1999 1996 1990 1988 1994 1989 1998 1989 1992 1987 1981 1993 1983 1992 1990 1986 1995 1983 1996 1987 1997 1996 1999 1995 1996 1997 1992 1987 1998 1982 1989 1984 1998 