| Sold | Grade | Monthly Average |
| Aug 2025 | 3.5 | $15.00 |
| May 2011 | 5.5 | $16.00 |
| Aug 2013 | 5.0 | $15.70 |
| Apr 2020 | 3.5 | $11.75 |
| Mar 2020 | 3.0 | $10.25 |
| Apr 2017 | 3.0 | $14.50 |
| Nov 2012 | 3.0 | $8.40 |
| Mar 2021 | 2.0 | $7.40 |
| Oct 2017 | 2.0 | $9.74 |
| Sep 2015 | 2.0 | $11.05 |
| Sep 2017 | 1.8 | $7.47 |
| Oct 2016 | 1.8 | $8.30 |
| Apr 2015 | 1.8 | $10.00 |
| Jun 2014 | 1.0 | $6.30 |