| Sold | Grade | Monthly Average |
| Jun 2010 | 7.5 | $23.00 |
| Jul 2023 | 6.5 | $27.00 |
| Aug 2016 | 6.5 | $19.50 |
| Mar 2014 | 6.5 | $19.50 |
| Aug 2010 | 6.5 | $19.50 |
| Apr 2012 | 6.0 | $13.50 |
| Aug 2023 | 5.5 | $23.00 |
| May 2013 | 5.5 | $15.68 |
| Dec 2010 | 5.5 | $16.50 |
| Nov 2019 | 5.0 | $25.00 |
| Aug 2017 | 5.0 | $13.50 |
| Jul 2012 | 5.0 | $16.90 |
| Jan 2020 | 4.5 | $42.00 |
| Mar 2021 | 4.0 | $20.00 |
| Mar 2012 | 3.5 | $10.50 |