| Date | Value |
|---|---|
| Mar 16, 2024 19:07 | 1260 ppm |
| Feb 29, 2024 18:25 | 1290 ppm |
| Feb 24, 2024 20:06 | 1270 ppm |
| Jan 22, 2023 19:25 | 1400 ppm |
| Jan 7, 2023 20:39 | 1340 ppm |
| Jun 4, 2021 15:53 | 1440 ppm |
| May 30, 2021 09:09 | 1400 ppm |
| May 23, 2021 08:54 | 1280 ppm |
| May 16, 2021 10:55 | 1300 ppm |
| May 1, 2021 16:26 | 1440 ppm |
| Apr 18, 2021 10:38 | 1360 ppm |
| Apr 10, 2021 17:07 | 1210 ppm |
| Mar 25, 2021 09:40 | 1240 ppm |