| Sold | Grade | Monthly Average |
| Aug 2017 | 9.4 | $5.99 |
| Jul 2017 | 9.4 | $5.99 |
| May 2017 | 9.4 | $7.62 |
| Apr 2017 | 9.4 | $5.99 |
| Mar 2017 | 9.4 | $5.99 |
| Feb 2017 | 9.4 | $6.22 |
| Jan 2017 | 9.4 | $6.00 |
| Feb 2025 | 8.0 | $7.70 |
| Dec 2022 | 8.0 | $6.95 |
| Apr 2021 | 8.0 | $6.40 |
| Nov 2019 | 8.0 | $5.75 |
| Jul 2019 | 8.0 | $7.00 |
| Jan 2018 | 8.0 | $5.60 |
| Oct 2024 | 6.0 | $5.00 |
| Dec 2023 | 6.0 | $4.80 |
| Oct 2023 | 4.0 | $3.20 |
| May 2018 | 4.0 | $3.20 |