• 1986 to 1986 1
• 1987 to 1987 0
• 1988 to 1988 1
• 1989 to 1989 0
• 1990 to 1990 0
• 1991 to 1991 3
• 1992 to 1992 16
• 1993 to 1993 14
• 1994 to 1994 8
• 1995 to 1995 15