• 1970 to 1970 93
• 1971 to 1971 59
• 1972 to 1972 60
• 1973 to 1973 78
• 1974 to 1974 81
• 1975 to 1975 88
• 1976 to 1976 75
• 1977 to 1977 57
• 1978 to 1978 64
• 1979 to 1979 56