| Sold | Grade | Monthly Average |
| Jan 2011 | 9.0 | $8.60 |
| Aug 2019 | 8.0 | $8.00 |
| Oct 2016 | 8.0 | $8.00 |
| Mar 2019 | 7.5 | $8.25 |
| Mar 2024 | 7.0 | $17.50 |
| Jan 2018 | 6.5 | $4.30 |
| Feb 2025 | 6.0 | $13.00 |
| Jul 2024 | 6.0 | $13.00 |
| Dec 2023 | 6.0 | $12.00 |
| Nov 2018 | 6.0 | $6.00 |
| Jan 2018 | 6.0 | $3.75 |
| Dec 2024 | 5.5 | $4.50 |
| Aug 2016 | 5.5 | $5.49 |
| Aug 2021 | 5.0 | $4.25 |
| Sep 2020 | 4.5 | $4.49 |
| Jun 2016 | 4.5 | $5.50 |
| Jul 2022 | 4.0 | $9.30 |
| Mar 2021 | 4.0 | $4.40 |