| Sold | Grade | Monthly Average |
| Feb 2024 | 1.0 | $7.20 |
| Jul 2021 | 5.5 | $29.50 |
| May 2014 | 4.0 | $27.00 |
| Oct 2013 | 4.0 | $18.55 |
| May 2013 | 4.0 | $14.25 |
| Oct 2011 | 4.0 | $19.20 |
| Jan 2014 | 3.5 | $19.85 |
| Jan 2022 | 2.5 | $14.00 |
| Apr 2017 | 2.5 | $14.00 |
| Jul 2022 | 2.0 | $11.50 |
| Jun 2022 | 2.0 | $11.50 |
| Jul 2021 | 2.0 | $11.50 |
| Dec 2018 | 2.0 | $11.50 |
| Jul 2017 | 2.0 | $11.50 |
| Jun 2019 | 1.8 | $11.50 |
| Jun 2013 | 1.0 | $4.80 |