| Sold | Grade | Monthly Average |
| Dec 2014 | 9.6 | $43.20 |
| Jun 2014 | 9.6 | $43.20 |
| Jan 2014 | 9.6 | $45.25 |
| Sep 2013 | 9.6 | $48.00 |
| Mar 2017 | 9.4 | $28.80 |
| Jan 2017 | 9.4 | $37.00 |
| Apr 2017 | 9.2 | $24.00 |
| May 2015 | 9.2 | $36.00 |
| Aug 2014 | 9.2 | $36.00 |
| Jun 2014 | 9.2 | $36.00 |
| Aug 2013 | 9.2 | $40.00 |
| Nov 2012 | 9.2 | $61.00 |
| Jul 2018 | 8.0 | $19.00 |