| Sold | Grade | Monthly Average |
| Nov 2025 | 9.4 | $15.00 |
| Nov 2025 | 4.0 | $8.80 |
| Mar 2011 | 9.4 | $8.00 |
| May 2010 | 9.4 | $8.10 |
| Aug 2010 | 9.0 | $7.20 |
| May 2022 | 8.0 | $12.00 |
| Mar 2016 | 8.0 | $6.40 |
| Sep 2015 | 8.0 | $6.40 |
| May 2014 | 8.0 | $6.90 |
| May 2012 | 8.0 | $6.40 |
| Apr 2018 | 6.0 | $6.50 |
| Nov 2017 | 6.0 | $4.80 |
| May 2016 | 6.0 | $5.75 |
| Feb 2024 | 5.5 | $7.70 |
| Apr 2023 | 5.5 | $7.70 |
| Oct 2019 | 5.5 | $5.49 |
| Feb 2024 | 4.0 | $5.32 |
| Aug 2017 | 4.0 | $3.20 |
| May 2014 | 4.0 | $3.20 |
| Feb 2014 | 4.0 | $3.20 |
| Jan 2023 | 2.0 | $2.80 |