| Date | Value |
|---|---|
| Oct 9, 2016 14:58 | 200 ppm |
| Oct 1, 2016 13:12 | 240 ppm |
| Sep 24, 2016 21:14 | 120 ppm |
| Sep 13, 2016 20:31 | 120 ppm |
| Sep 10, 2016 00:44 | 100 ppm |
| Sep 6, 2016 21:10 | 150 ppm |
| Sep 3, 2016 12:14 | 150 ppm |
| Sep 1, 2016 19:18 | 150 ppm |
| Aug 27, 2016 11:48 | 300 ppm |
| Aug 22, 2016 21:12 | 250 ppm |