| Sold | Grade | Monthly Average |
| Mar 2020 | 8.5 | $17.00 |
| May 2015 | 8.0 | $16.00 |
| Jul 2024 | 7.5 | $15.00 |
| Mar 2021 | 7.5 | $9.00 |
| May 2011 | 7.5 | $15.00 |
| Nov 2024 | 7.0 | $14.00 |
| Nov 2024 | 6.0 | $11.40 |
| May 2023 | 6.0 | $7.20 |
| Sep 2022 | 6.0 | $7.20 |
| Aug 2014 | 6.0 | $12.00 |
| Apr 2023 | 5.5 | $5.22 |
| Jan 2023 | 5.5 | $5.49 |
| Aug 2020 | 5.5 | $6.60 |
| Dec 2019 | 5.5 | $6.27 |
| Oct 2017 | 5.5 | $7.70 |
| Nov 2013 | 5.5 | $11.00 |
| Nov 2023 | 4.0 | $4.00 |
| Aug 2019 | 4.0 | $4.80 |
| Apr 2018 | 3.5 | $4.90 |
| Jan 2025 | 2.0 | $3.20 |