1970
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1971
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1972
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1973
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1974
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1975
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1976
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1977
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1978
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1979
| January | February | March | April | May | June |
| July | August | September | October | November | December |