| Date | Value |
|---|---|
| Oct 9, 2016 14:58 | 100 ppm |
| Oct 1, 2016 13:16 | 120 ppm |
| Sep 24, 2016 21:08 | 80 ppm |
| Sep 13, 2016 20:40 | 80 ppm |
| Sep 10, 2016 00:58 | 70 ppm |
| Sep 6, 2016 21:10 | 40 ppm |
| Sep 3, 2016 12:15 | 40 ppm |
| Sep 1, 2016 19:18 | 40 ppm |
| Aug 27, 2016 11:42 | 40 ppm |
| Aug 22, 2016 21:13 | 150 ppm |