| Sold | Grade | Monthly Average |
| Jul 2012 | 9.6 | $26.00 |
| May 2013 | 9.4 | $12.00 |
| Apr 2013 | 9.4 | $8.76 |
| Mar 2013 | 9.4 | $6.00 |
| Aug 2012 | 9.2 | $17.00 |
| Jul 2012 | 9.2 | $17.00 |
| Jun 2012 | 9.2 | $17.00 |
| Nov 2016 | 9.0 | $10.21 |
| Jul 2018 | 8.0 | $9.60 |
| Jul 2016 | 8.0 | $12.78 |
| Oct 2015 | 8.0 | $9.60 |
| Jan 2013 | 8.0 | $3.60 |
| Feb 2015 | 7.5 | $9.70 |