| Sold | Grade | Monthly Average |
| Apr 2016 | 6.0 | $36.00 |
| Feb 2023 | 4.5 | $27.00 |
| Aug 2021 | 4.5 | $24.00 |
| May 2018 | 4.5 | $12.45 |
| Feb 2013 | 4.5 | $20.50 |
| Dec 2018 | 4.0 | $24.00 |
| May 2018 | 4.0 | $24.00 |
| Feb 2017 | 3.5 | $19.00 |
| Jul 2010 | 3.5 | $11.00 |
| Aug 2023 | 3.0 | $16.00 |
| Nov 2018 | 3.0 | $24.00 |
| Apr 2017 | 3.0 | $18.00 |
| Jul 2023 | 2.5 | $13.00 |
| Mar 2019 | 2.5 | $20.00 |
| Sep 2021 | 2.0 | $12.00 |
| Dec 2015 | 2.0 | $12.00 |
| Jan 2017 | 1.8 | $11.00 |
| Feb 2022 | 1.0 | $6.00 |