| Sold | Grade | Monthly Average |
| Apr 2019 | 8.5 | $12.75 |
| May 2011 | 8.0 | $12.00 |
| Nov 2010 | 8.0 | $6.40 |
| May 2015 | 7.5 | $7.80 |
| Dec 2024 | 7.0 | $10.50 |
| Jul 2024 | 7.0 | $10.50 |
| Apr 2023 | 6.5 | $5.22 |
| Nov 2013 | 6.5 | $9.70 |
| Nov 2024 | 6.0 | $9.00 |
| Jan 2024 | 6.0 | $5.40 |
| Jan 2015 | 6.0 | $6.30 |
| May 2013 | 6.0 | $8.55 |
| Jul 2019 | 5.0 | $4.27 |
| Nov 2013 | 5.0 | $7.49 |
| Jul 2020 | 4.5 | $3.80 |
| Jan 2025 | 4.0 | $4.56 |
| Feb 2024 | 4.0 | $3.00 |
| Sep 2022 | 4.0 | $3.00 |
| Jun 2022 | 4.0 | $3.00 |
| Jul 2021 | 4.0 | $3.00 |
| Nov 2011 | 3.5 | $4.68 |
| Apr 2014 | 2.0 | $2.70 |