• 1986 to 1986 1
• 1987 to 1987 0
• 1988 to 1988 1
• 1989 to 1989 2
• 1990 to 1990 1
• 1991 to 1991 1
• 1992 to 1992 1
• 1993 to 1993 2
• 1994 to 1994 1