| Date | Value |
|---|---|
| Jun 2, 2024 17:15 | 490 ppm |
| Dec 23, 2022 04:01 | 500 ppm |
| Jul 24, 2022 16:27 | 500 ppm |
| Jul 17, 2022 16:09 | 490 ppm |
| Jun 29, 2022 00:15 | 465 ppm |
| May 15, 2022 16:52 | 480 ppm |
| Apr 24, 2022 23:40 | 455 ppm |
| Apr 10, 2022 17:16 | 425 ppm |
| Apr 7, 2022 00:55 | 450 ppm |
| Mar 28, 2022 03:09 | 430 ppm |
| Mar 22, 2022 23:47 | 400 ppm |
| Mar 8, 2022 02:55 | 440 ppm |
| Feb 28, 2022 02:38 | 490 ppm |
| Feb 20, 2022 16:43 | 475 ppm |