| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 1.369 | 1.334 | 1.329 | 1.313 | 1.239 | 1.172 | 1.151 | 1.172 | 1.177 | 1.219 | ||
| 2022 | 1.672 | 1.681 | 1.826 | 1.874 | 1.807 | 1.827 | 1.909 | 1.809 | 1.646 | 1.589 | 1.5 | 1.447 |
| 2021 | 0.989 | 1.104 | 1.302 | 1.406 | 1.391 | 1.327 | 1.296 | 1.316 | 1.347 | 1.487 | 1.62 | 1.662 |