1951 | Apr | Nov | |||||||||
1952 | |||||||||||
1953 | Feb | ||||||||||
1954 | Jun | ||||||||||
1955 | Jan | Feb | Dec | ||||||||
1956 | Mar | Apr | Jun-Jul | Aug | Sep | ||||||
1957 | Jul | Nov | Dec | ||||||||
1958 | Jun | Aug | Sep | Dec | |||||||
1959 | Feb | Mar | Apr | May | Oct | Nov | |||||
1960 | Jan | Feb | Mar | Apr-May | Jun | Jul-Aug | Sep | Oct | Nov-Dec | ||
1961 | Jan | Feb-Mar | Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1962 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1963 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1964 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1965 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct-Nov | Dec |
1966 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct-Nov | Dec |
1967 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1968 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1969 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1970 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1971 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Sep-Oct | Nov-Dec |
1972 | Jan-Feb | Mar-Apr | May-Jun | Jul-Aug | Nov-Dec | |
1973 | May-Jun | Jul-Aug | Sep-Oct-Nov-Dec | |||
1974 | Jan-Feb | Jul-Aug | Sep-Oct | |||
1975 | ||||||
1976 | ||||||
1977 | ||||||
1978 | ||||||
1979 | Mar-Apr-May |