1980
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1981
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1982
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1983
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1984
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1985
| January | February | March | April | May | June |
| Field Day | August | September | October | November | December |
1986
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1987
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1988
| January | February | March | April | May | June |
| July | August | September | October | November | December |
1989
| January | February | March | April | May | June |
| July | August | September | October | November | December |