| Sold | Grade | Monthly Average |
| Nov 2020 | 4.0 | $28.00 |
| Apr 2016 | 4.0 | $36.00 |
| Feb 2013 | 4.0 | $30.80 |
| Jun 2012 | 4.0 | $31.45 |
| Feb 2020 | 3.5 | $25.00 |
| May 2024 | 3.0 | $32.00 |
| Nov 2022 | 3.0 | $22.00 |
| Oct 2013 | 3.0 | $22.00 |
| Feb 2020 | 2.5 | $24.00 |
| Jun 2018 | 2.5 | $18.25 |
| Feb 2020 | 2.0 | $15.25 |
| Nov 2019 | 2.0 | $15.25 |
| Apr 2019 | 2.0 | $20.00 |
| Mar 2013 | 2.0 | $16.80 |
| Nov 2011 | 2.0 | $15.25 |
| Dec 2021 | 1.8 | $13.25 |
| Aug 2021 | 1.5 | $11.75 |
| Apr 2025 | 1.0 | $8.40 |
| Nov 2024 | 1.0 | $8.40 |
| Sep 2023 | 1.0 | $8.40 |
| May 2016 | 0.5 | $4.49 |