| Sold | Grade | Monthly Average |
| Oct 2024 | 8.0 | $4.80 |
| Apr 2012 | 9.4 | $4.50 |
| Mar 2012 | 9.4 | $5.00 |
| Oct 2019 | 8.5 | $8.49 |
| Jun 2018 | 8.0 | $3.40 |
| Oct 2015 | 8.0 | $4.00 |
| Jun 2015 | 8.0 | $4.00 |
| Nov 2013 | 8.0 | $4.00 |
| Aug 2012 | 8.0 | $3.60 |
| Feb 2012 | 8.0 | $4.50 |
| Nov 2011 | 8.0 | $4.00 |
| Aug 2011 | 8.0 | $3.60 |
| Jul 2011 | 8.0 | $4.00 |
| Mar 2011 | 8.0 | $4.00 |
| Jan 2023 | 6.0 | $3.60 |
| Sep 2022 | 6.0 | $3.42 |
| Sep 2017 | 6.0 | $2.20 |
| Jun 2016 | 6.0 | $3.00 |
| Feb 2015 | 6.0 | $3.00 |
| Jul 2013 | 6.0 | $3.00 |
| Sep 2012 | 6.0 | $3.00 |