| Sold | Grade | Monthly Average |
| May 2018 | 6.5 | $28.82 |
| Feb 2014 | 6.0 | $29.00 |
| Mar 2012 | 6.0 | $36.90 |
| Apr 2012 | 5.5 | $13.50 |
| Aug 2023 | 5.0 | $35.00 |
| Aug 2012 | 5.0 | $31.85 |
| May 2012 | 5.0 | $18.00 |
| Aug 2013 | 4.5 | $21.01 |
| Jul 2013 | 4.5 | $34.00 |
| Jul 2020 | 4.0 | $23.00 |
| Dec 2019 | 4.0 | $27.00 |
| Nov 2019 | 4.0 | $27.00 |
| Jul 2014 | 4.0 | $8.00 |
| Mar 2022 | 3.5 | $17.00 |
| Apr 2022 | 2.5 | $18.00 |
| Mar 2021 | 2.5 | $21.00 |
| May 2014 | 2.0 | $19.70 |
| Feb 2023 | 1.8 | $13.00 |
| Jun 2020 | 1.8 | $18.00 |
| Nov 2017 | 1.0 | $8.20 |
| Oct 2013 | 1.0 | $9.30 |