| Sold | Grade | Monthly Average |
| Oct 2025 | 6.0 | $16.00 |
| Apr 2020 | 9.4 | $13.00 |
| May 2016 | 9.2 | $17.95 |
| Dec 2015 | 9.2 | $18.95 |
| Dec 2019 | 8.0 | $8.75 |
| Dec 2018 | 8.0 | $7.00 |
| Jun 2017 | 8.0 | $6.40 |
| Nov 2016 | 8.0 | $6.00 |
| Feb 2013 | 8.0 | $9.60 |
| Oct 2019 | 7.0 | $7.00 |
| Mar 2021 | 6.5 | $6.49 |
| Aug 2023 | 6.0 | $6.00 |
| Jul 2021 | 6.0 | $6.00 |
| Nov 2019 | 6.0 | $5.40 |
| Oct 2013 | 6.0 | $3.30 |
| Jun 2021 | 5.5 | $5.49 |
| Dec 2014 | 4.0 | $11.25 |