| Sold | Grade | Monthly Average |
| Mar 2026 | 7.5 | $10.00 |
| Mar 2026 | 6.5 | $9.70 |
| Mar 2026 | 6.0 | $9.00 |
| May 2011 | 9.4 | $12.00 |
| Sep 2011 | 9.0 | $9.00 |
| Aug 2012 | 8.0 | $8.00 |
| Apr 2010 | 8.0 | $6.40 |
| Jul 2013 | 7.5 | $11.00 |
| Apr 2013 | 7.5 | $7.49 |
| Jan 2024 | 6.0 | $12.00 |
| May 2023 | 6.0 | $9.00 |
| Apr 2023 | 6.0 | $9.00 |
| Dec 2019 | 6.0 | $12.00 |
| Nov 2019 | 6.0 | $10.80 |
| Jan 2018 | 6.0 | $6.00 |
| Dec 2019 | 5.5 | $11.00 |
| Dec 2020 | 4.5 | $9.00 |
| Jul 2023 | 4.0 | $8.00 |
| May 2023 | 4.0 | $8.00 |
| Jul 2021 | 4.0 | $8.00 |