| Sold | Grade | Monthly Average |
| Jul 2025 | 1.8 | $8.80 |
| Feb 2014 | 5.5 | $24.30 |
| May 2017 | 4.0 | $21.00 |
| Apr 2018 | 3.5 | $16.00 |
| Feb 2025 | 3.0 | $17.50 |
| Nov 2023 | 3.0 | $12.60 |
| Feb 2018 | 3.0 | $9.25 |
| May 2012 | 3.0 | $11.85 |
| Oct 2018 | 2.0 | $11.00 |
| Mar 2023 | 1.0 | $5.49 |
| Jan 2018 | 1.0 | $3.30 |
| Jan 2022 | 0.5 | $2.70 |