| Sold | Grade | Monthly Average |
| Jul 2024 | 5.0 | $8.08 |
| Jun 2011 | 5.0 | $8.60 |
| Jul 2024 | 4.0 | $8.08 |
| Feb 2018 | 4.0 | $11.50 |
| Jun 2015 | 3.5 | $5.20 |
| Jul 2014 | 3.5 | $4.80 |
| Nov 2012 | 3.5 | $5.70 |
| Sep 2024 | 3.0 | $8.40 |
| Jul 2024 | 3.0 | $8.40 |
| Dec 2022 | 3.0 | $8.40 |
| Mar 2014 | 3.0 | $4.55 |
| Apr 2021 | 2.5 | $4.30 |
| Oct 2020 | 2.5 | $4.30 |
| Apr 2017 | 2.5 | $3.60 |
| Mar 2012 | 2.5 | $4.30 |
| Aug 2022 | 2.0 | $8.00 |
| Feb 2018 | 2.0 | $2.90 |
| Jan 2018 | 2.0 | $1.62 |
| Dec 2012 | 2.0 | $3.60 |
| Oct 2017 | 1.8 | $2.00 |
| Jul 2020 | 1.5 | $2.76 |
| Oct 2024 | 1.0 | $3.00 |