| Sold | Grade | Monthly Average |
| Jul 2022 | 8.5 | $19.00 |
| Dec 2021 | 8.0 | $22.00 |
| Feb 2019 | 7.5 | $24.00 |
| Mar 2021 | 7.0 | $29.50 |
| Sep 2019 | 7.0 | $19.50 |
| Sep 2019 | 6.5 | $20.00 |
| Jul 2018 | 6.5 | $21.00 |
| Aug 2015 | 6.5 | $21.00 |
| Apr 2015 | 6.5 | $19.95 |
| Jan 2013 | 6.5 | $7.20 |
| Mar 2019 | 6.0 | $17.50 |
| Aug 2020 | 5.0 | $15.91 |
| Aug 2021 | 4.5 | $14.49 |
| Dec 2018 | 4.5 | $12.75 |
| Oct 2021 | 4.0 | $14.00 |