*Month* – information is unavailable.
2020
January February March April
May June July August
September October November December
2019
January February March April
May June July August
September October November December
2018
January February March April
May June July August
September October November December
2017
| January | February | March | April |
|---|---|---|---|
| May | June | July | August |
| *September | October | November | December |
2016
| January | February | March | April |
|---|---|---|---|
| May | June | July | August |
| September | October | November | December |