| Date | Value |
|---|---|
| Sep 7, 2015 02:22 | 0.00 ppm |
| Aug 16, 2015 07:02 | 0.00 ppm |
| May 29, 2015 03:22 | 0.00 ppm |
| Feb 14, 2015 04:40 | 0.00 ppm |
| Feb 1, 2015 00:32 | 0.00 ppm |
| Feb 1, 2015 00:31 | 0.00 ppm |
| Jan 23, 2015 00:43 | 0.00 ppm |
| Jan 16, 2015 05:20 | 0.00 ppm |
| Nov 25, 2014 01:48 | 0.00 ppm |
| Nov 17, 2014 12:20 | 0.00 ppm |
| Nov 10, 2014 11:13 | 0.00 ppm |
| Nov 3, 2014 04:18 | 0.00 ppm |
| Oct 27, 2014 04:42 | 0.00 ppm |
| Oct 20, 2014 12:17 | 0.00 ppm |