| Sold | Grade | Monthly Average |
| Apr 2023 | 4.0 | $4.00 |
| Nov 2020 | 4.0 | $4.00 |
| May 2020 | 3.0 | $2.80 |
| Oct 2018 | 3.0 | $3.10 |
| Jul 2012 | 3.0 | $2.49 |
| Sep 2023 | 2.5 | $2.50 |
| Mar 2020 | 2.5 | $2.28 |
| Jan 2022 | 2.0 | $2.00 |
| May 2021 | 2.0 | $2.00 |
| May 2020 | 2.0 | $2.00 |
| Jun 2019 | 2.0 | $2.00 |
| Nov 2009 | 1.8 | $1.20 |
| Jun 2013 | 1.5 | $1.65 |