| Sold | Grade | Monthly Average |
| Feb 2017 | 9.4 | $24.00 |
| Nov 2020 | 8.5 | $43.00 |
| Sep 2013 | 8.0 | $32.00 |
| Dec 2012 | 8.0 | $43.00 |
| Mar 2018 | 6.5 | $21.22 |
| Mar 2023 | 6.0 | $35.00 |
| Aug 2022 | 6.0 | $30.00 |
| Jul 2020 | 6.0 | $30.00 |
| Aug 2012 | 6.0 | $8.60 |
| Apr 2022 | 5.5 | $45.00 |
| Sep 2022 | 5.0 | $35.00 |
| Jul 2020 | 5.0 | $25.00 |
| May 2023 | 4.0 | $51.00 |
| Sep 2018 | 4.0 | $34.00 |
| Jul 2013 | 4.0 | $7.20 |
| Jul 2018 | 3.5 | $13.00 |
| Jun 2015 | 3.5 | $7.00 |
| Oct 2020 | 2.0 | $10.00 |