| Sold | Grade | Monthly Average |
| Sep 2011 | 5.0 | $16.75 |
| Dec 2023 | 4.0 | $28.00 |
| Feb 2015 | 4.0 | $14.33 |
| Dec 2011 | 4.0 | $14.80 |
| Nov 2015 | 3.5 | $11.93 |
| Dec 2012 | 3.5 | $14.95 |
| Dec 2024 | 3.0 | $14.73 |
| Jan 2019 | 3.0 | $19.50 |
| Dec 2017 | 3.0 | $12.97 |
| Aug 2014 | 3.0 | $10.58 |
| May 2013 | 3.0 | $12.95 |
| Feb 2025 | 2.5 | $11.00 |
| Jan 2020 | 2.5 | $16.75 |
| Nov 2020 | 2.0 | $32.00 |
| Dec 2019 | 2.0 | $13.00 |
| Jul 2016 | 2.0 | $14.00 |
| Aug 2012 | 1.8 | $4.00 |
| Jun 2013 | 1.0 | $4.20 |