| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 2.18 | 2.17 | 2.08 | 2.095 | 2.13 | 1.995 | 1.89 | 1.994 | ||||
| 2022 | 2.408 | 2.348 | 2.453 | 2.853 | 2.903 | 2.883 | 3.003 | 2.77 | 2.69 | 2.245 | 2.15 | 2.09 |
| 2021 | 1.668 | 1.698 | 2.18 | 2.46 | 2.535 | 2.225 | 2.015 | 2.053 | 1.965 | 1.99 | 2.365 | 2.373 |