| Sold | Grade | Monthly Average |
| Jun 2012 | 9.4 | $5.70 |
| Jul 2020 | 8.5 | $8.49 |
| Feb 2018 | 8.5 | $8.49 |
| Oct 2016 | 8.5 | $17.00 |
| Aug 2016 | 8.5 | $8.49 |
| Jun 2022 | 8.0 | $8.00 |
| Aug 2021 | 8.0 | $8.00 |
| Jun 2020 | 8.0 | $29.99 |
| Jan 2020 | 8.0 | $8.00 |
| Jan 2017 | 8.0 | $8.00 |
| Feb 2012 | 8.0 | $3.60 |
| Nov 2011 | 8.0 | $3.06 |
| Sep 2011 | 8.0 | $4.00 |
| Apr 2011 | 8.0 | $4.40 |
| Dec 2015 | 7.0 | $7.00 |
| Mar 2012 | 6.0 | $2.90 |
| Dec 2011 | 6.0 | $2.90 |