| Sold | Grade | Monthly Average |
| Jul 2010 | 9.4 | $7.00 |
| Mar 2020 | 8.0 | $8.75 |
| Apr 2015 | 8.0 | $5.20 |
| Feb 2014 | 8.0 | $5.60 |
| Nov 2013 | 8.0 | $3.96 |
| Jan 2013 | 8.0 | $8.80 |
| Mar 2022 | 7.0 | $7.00 |
| May 2013 | 7.0 | $7.00 |
| Oct 2024 | 6.5 | $6.49 |
| Jun 2021 | 6.0 | $6.00 |
| Feb 2019 | 6.0 | $2.40 |
| Jan 2019 | 6.0 | $2.40 |
| Nov 2016 | 6.0 | $3.80 |
| Jan 2015 | 6.0 | $3.90 |
| Apr 2010 | 6.0 | $3.60 |
| Feb 2008 | 6.0 | $2.40 |
| Jan 2020 | 5.5 | $5.49 |
| Mar 2022 | 5.0 | $5.00 |
| Jun 2022 | 4.0 | $4.00 |
| Sep 2012 | 4.0 | $4.60 |
| Jul 2021 | 2.0 | $2.00 |