| Sold | Grade | Monthly Average |
| Sep 2013 | 9.6 | $19.50 |
| Jun 2016 | 9.4 | $7.20 |
| Sep 2013 | 9.4 | $15.50 |
| Jun 2015 | 9.0 | $39.95 |
| Aug 2014 | 9.0 | $11.50 |
| May 2021 | 8.5 | $28.00 |
| Jul 2014 | 8.5 | $33.75 |
| May 2014 | 8.5 | $11.00 |
| Jan 2016 | 8.0 | $5.60 |
| Nov 2015 | 8.0 | $4.80 |
| Jul 2015 | 8.0 | $9.00 |
| Nov 2016 | 6.0 | $5.10 |