• 1960 to 1960 1,519
• 1961 to 1961 1,691
• 1962 to 1962 1,564
• 1963 to 1963 1,281
• 1964 to 1964 1,261
• 1965 to 1965 1,099
• 1966 to 1966 1,036
• 1967 to 1967 1,178
• 1968 to 1968 1,826
• 1969 to 1969 1,887