| Date | Value |
|---|---|
| Oct 25, 2024 21:53 | 1350 ppm |
| Sep 1, 2024 05:07 | 1380 ppm |
| Mar 19, 2024 00:37 | 1380 ppm |
| Feb 20, 2024 04:35 | 1275 ppm |
| Nov 2, 2023 00:02 | 1320 ppm |
| Aug 11, 2022 17:08 | 1350 ppm |
| May 20, 2022 03:32 | 1400 ppm |
| Apr 22, 2022 00:20 | 1400 ppm |
| Mar 27, 2022 02:57 | 1450 ppm |
| Feb 28, 2022 21:13 | 1440 ppm |
| Feb 8, 2022 05:31 | 1380 ppm |
| Jan 1, 2022 21:30 | 1350 ppm |
| Dec 2, 2021 02:25 | 1400 ppm |
| Nov 27, 2021 23:49 | 1250 ppm |