| Sold | Grade | Monthly Average |
| Jun 2024 | 7.5 | $8.00 |
| Oct 2024 | 5.0 | $4.00 |
| Jun 2019 | 8.0 | $19.00 |
| Jan 2013 | 7.0 | $32.40 |
| Feb 2012 | 7.0 | $12.00 |
| Mar 2024 | 6.5 | $7.10 |
| Jan 2024 | 6.0 | $6.80 |
| Mar 2022 | 6.0 | $25.00 |
| Apr 2013 | 6.0 | $24.20 |
| Dec 2011 | 6.0 | $11.00 |
| Jun 2023 | 5.5 | $7.10 |
| Jun 2015 | 5.5 | $32.00 |
| Sep 2016 | 4.5 | $21.60 |
| Nov 2014 | 4.5 | $25.00 |
| Apr 2022 | 4.0 | $12.50 |
| Mar 2018 | 4.0 | $20.00 |
| Jun 2013 | 3.0 | $18.00 |
| Oct 2020 | 2.5 | $15.50 |
| Feb 2023 | 2.0 | $9.90 |
| Apr 2012 | 2.0 | $9.00 |