| Sold | Grade | Monthly Average |
| May 2026 | 6.0 | $20.00 |
| Jun 2010 | 9.4 | $6.49 |
| Jun 2013 | 8.5 | $8.49 |
| Oct 2012 | 8.5 | $8.49 |
| Jul 2023 | 8.0 | $8.00 |
| Jun 2021 | 8.0 | $8.00 |
| Jan 2014 | 8.0 | $21.48 |
| Dec 2012 | 8.0 | $8.00 |
| May 2012 | 8.0 | $8.00 |
| Nov 2011 | 8.0 | $6.48 |
| Jun 2016 | 7.5 | $7.49 |
| Mar 2016 | 7.5 | $7.49 |
| Jun 2012 | 7.5 | $7.49 |
| Mar 2020 | 7.0 | $7.00 |
| Aug 2014 | 7.0 | $7.00 |
| May 2018 | 6.5 | $6.49 |
| Feb 2018 | 6.5 | $6.49 |
| May 2020 | 6.0 | $6.00 |
| Dec 2019 | 6.0 | $6.00 |
| Aug 2010 | 6.0 | $4.80 |