| Sold | Grade | Monthly Average |
| Aug 2025 | 3.5 | $19.00 |
| Jul 2025 | 3.0 | $8.00 |
| Aug 2012 | 8.0 | $18.00 |
| May 2017 | 4.5 | $7.20 |
| Nov 2021 | 4.0 | $6.27 |
| Feb 2018 | 4.0 | $3.99 |
| Feb 2018 | 3.5 | $3.70 |
| Jul 2013 | 3.5 | $6.25 |
| Jan 2010 | 3.5 | $5.42 |
| Nov 2020 | 3.0 | $5.00 |
| Dec 2019 | 3.0 | $5.00 |
| Mar 2018 | 2.5 | $4.09 |
| Mar 2023 | 2.0 | $3.60 |
| Sep 2020 | 2.0 | $3.60 |
| Dec 2011 | 2.0 | $3.60 |