| Sold | Grade | Monthly Average |
| Dec 2011 | 8.0 | $4.20 |
| Sep 2010 | 7.0 | $3.00 |
| Apr 2010 | 6.5 | $2.40 |
| Feb 2024 | 6.0 | $7.10 |
| Mar 2023 | 6.0 | $7.10 |
| Jun 2014 | 6.0 | $4.85 |
| Dec 2012 | 6.0 | $3.60 |
| Feb 2012 | 6.0 | $3.30 |
| Jan 2011 | 6.0 | $3.30 |
| Jul 2025 | 5.5 | $7.60 |
| Aug 2023 | 5.5 | $5.49 |
| Jul 2025 | 4.0 | $2.52 |
| Nov 2023 | 4.0 | $4.00 |
| Feb 2020 | 4.0 | $4.00 |
| Nov 2014 | 4.0 | $3.45 |
| Jan 2011 | 4.0 | $2.20 |
| Aug 2018 | 3.0 | $3.00 |
| Aug 2023 | 2.0 | $2.50 |
| Sep 2019 | 2.0 | $2.00 |