| Sold | Grade | Monthly Average |
| Oct 2013 | 5.5 | $41.20 |
| Jul 2016 | 4.5 | $37.00 |
| May 2022 | 4.0 | $60.00 |
| Jul 2017 | 4.0 | $57.00 |
| Feb 2023 | 3.5 | $34.00 |
| May 2016 | 3.5 | $12.03 |
| May 2015 | 3.5 | $46.20 |
| Apr 2023 | 3.0 | $31.00 |
| Sep 2019 | 2.5 | $27.00 |
| Jan 2019 | 2.5 | $26.00 |
| Jun 2018 | 2.5 | $31.00 |
| Apr 2022 | 1.0 | $7.00 |
| Mar 2021 | 0.5 | $19.00 |