| Year | December | November | October | September | August | July | June | May | April | March | February | January |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 |  |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| 2025 | |
|
|
|
|
|
|
|
|
|
|
|
| 2024 | |
|
|
|
|
|
|
|
|
|
|
|
| 2023 | |
|
|
|
|
|
|
|
|
|
|
|
| 2022 | |
|
|
|
|
|
|
|
|
|
|
|
| 2021 | |
|
|
|
|
|
|
|
|
|
|
|
| 2020 | |
|
index 2020 |
| 2025 |  Dec |
Nov |
May/Oct |
Mar/Apr |
Jan/Feb |
|
|---|---|---|---|---|---|---|
| 2024 | Oct/Dec |
Jul/Sep |
Mar/Jun |
Feb |
Jan |
|
| 2023 | Dec |
Nov |
Sep/Oct |
JunAug |
Feb/May |
Jan |
| 2022 | Dec |
Jul/Sep |
Apr/Jun |
Mar |
Jan/Feb |
|
| 2021 |  |
 Bicentenial |