| Sold | Grade | Monthly Average |
| Apr 2024 | 6.0 | $2.50 |
| Mar 2020 | 9.4 | $2.00 |
| Dec 2019 | 9.4 | $1.40 |
| Dec 2017 | 9.4 | $1.70 |
| May 2016 | 9.4 | $1.35 |
| Aug 2015 | 9.4 | $1.35 |
| Aug 2014 | 9.4 | $1.10 |
| Apr 2013 | 9.4 | $1.10 |
| Nov 2010 | 9.4 | $1.10 |
| Jan 2023 | CBCS 9.2 | $5.00 |
| Mar 2022 | 8.0 | $2.00 |
| Apr 2021 | 8.0 | $2.00 |
| Apr 2014 | 8.0 | $0.90 |
| Aug 2013 | 8.0 | $0.90 |
| Aug 2013 | 6.0 | $0.80 |