| Sold | Grade | Monthly Average |
| May 2013 | 9.6 | $33.25 |
| Sep 2013 | 9.2 | $44.95 |
| Feb 2018 | 9.0 | $35.00 |
| Jun 2019 | 8.5 | $10.00 |
| Mar 2015 | 8.5 | $2.30 |
| Sep 2024 | 8.0 | $2.50 |
| Oct 2022 | 8.0 | $1.80 |
| Aug 2022 | 8.0 | $2.00 |
| Nov 2019 | 8.0 | $2.00 |
| Jun 2019 | 8.0 | $1.70 |
| Apr 2019 | 8.0 | $1.53 |
| Feb 2019 | 8.0 | $1.57 |
| Mar 2018 | 8.0 | $1.53 |
| Jan 2019 | 7.5 | $11.00 |
| Mar 2018 | 7.0 | $7.28 |
| Jun 2013 | 7.0 | $8.40 |