| Sold | Grade | Monthly Average |
| Jan 2024 | 8.0 | $7.20 |
| May 2023 | 8.0 | $6.40 |
| Jun 2022 | 8.0 | $5.60 |
| May 2021 | 8.0 | $8.00 |
| Nov 2020 | 8.0 | $8.26 |
| May 2023 | 6.0 | $4.80 |
| Mar 2022 | 6.0 | $3.60 |
| May 2021 | 6.0 | $3.60 |
| Nov 2020 | 6.0 | $3.90 |
| Jun 2022 | 4.0 | $2.80 |
| Aug 2023 | 2.0 | $2.25 |
| Sep 2021 | 2.0 | $2.00 |