• 1948 to 1949 1
• 1950 to 1951 1
• 1952 to 1953 0
• 1954 to 1955 0
• 1956 to 1957 0
• 1958 to 1959 1
• 1960 to 1961 0
• 1962 to 1963 0
• 1964 to 1965 1
• 1966 to 1967 0
• 1968 to 1969 1