| Sold | Grade | Monthly Average |
| Nov 2020 | 7.5 | $26.00 |
| Oct 2011 | 7.5 | $22.50 |
| Jul 2022 | CBCS 5.0 | $31.00 |
| Aug 2023 | 4.5 | $10.00 |
| Nov 2022 | 4.0 | $8.28 |
| Mar 2013 | 4.0 | $8.00 |
| May 2019 | 3.5 | $7.30 |
| Jan 2018 | 3.5 | $5.76 |
| Aug 2023 | 3.0 | $6.40 |
| Feb 2017 | 3.0 | $5.04 |
| Jul 2014 | 3.0 | $5.60 |
| Feb 2010 | 2.5 | $4.80 |
| Dec 2020 | 2.0 | $4.60 |
| Jan 2019 | 2.0 | $4.60 |
| Aug 2013 | 2.0 | $4.40 |
| Apr 2010 | 2.0 | $4.00 |
| Nov 2020 | 1.8 | $4.00 |
| Sep 2011 | 0.5 | $1.10 |