| Sold | Grade | Monthly Average |
| Mar 2010 | 9.4 | $2.98 |
| Feb 2010 | 9.4 | $2.98 |
| Aug 2020 | 8.0 | $8.00 |
| Jun 2018 | 8.0 | $1.80 |
| Jan 2018 | 8.0 | $1.95 |
| Apr 2013 | 8.0 | $3.40 |
| Mar 2012 | 8.0 | $2.90 |
| Jul 2024 | 6.5 | $21.00 |
| Jun 2021 | 6.0 | $6.00 |
| Sep 2020 | 6.0 | $6.00 |
| Feb 2015 | 6.0 | $3.25 |
| Apr 2014 | 6.0 | $3.25 |
| Jan 2014 | 6.0 | $2.30 |
| Jul 2013 | 6.0 | $3.95 |
| Aug 2025 | 5.0 | $6.65 |
| May 2020 | 4.0 | $4.00 |
| May 2019 | 4.0 | $4.00 |
| Aug 2018 | 4.0 | $1.53 |
| Jan 2018 | 2.0 | $1.70 |