• 1966 to 1966 1
• 1967 to 1967 0
• 1968 to 1968 0
• 1969 to 1969 0
• 1970 to 1970 0
• 1971 to 1971 0
• 1972 to 1972 0
• 1973 to 1973 0
• 1974 to 1974 0
• 1975 to 1975 0
• 1976 to 1976 1