| Sold | Grade | Monthly Average |
| Jul 2020 | 7.0 | $36.00 |
| Jun 2011 | 6.5 | $53.00 |
| Aug 2014 | 5.0 | $26.10 |
| Mar 2024 | 4.0 | $7.80 |
| May 2022 | 4.0 | $10.00 |
| Mar 2021 | 4.0 | $16.00 |
| Oct 2019 | 3.5 | $11.00 |
| Jul 2025 | 3.0 | $10.00 |
| Jun 2013 | 3.0 | $11.00 |
| Dec 2011 | 3.0 | $18.25 |
| Nov 2022 | 2.0 | $4.75 |
| Jul 2020 | 2.0 | $5.00 |
| Jan 2017 | 2.0 | $9.00 |
| Nov 2010 | 2.0 | $13.00 |
| Sep 2010 | 2.0 | $12.35 |
| Feb 2019 | 1.8 | $8.80 |
| Jan 2015 | 1.8 | $11.50 |
| Aug 2020 | 1.5 | $3.49 |
| Jul 2020 | 1.5 | $3.32 |
| Apr 2024 | 1.0 | $3.00 |
| Oct 2014 | 1.0 | $7.20 |
| Sep 2016 | 0.5 | $2.70 |