| Sold | Grade | Monthly Average |
| Jan 2014 | 9.4 | $8.00 |
| Feb 2013 | 9.4 | $5.00 |
| Nov 2012 | 9.4 | $5.00 |
| May 2020 | 9.0 | $11.50 |
| Aug 2025 | 8.0 | $9.60 |
| Apr 2020 | 8.0 | $8.00 |
| Mar 2020 | 8.0 | $8.00 |
| Oct 2016 | 8.0 | $7.20 |
| May 2016 | 8.0 | $6.00 |
| Sep 2015 | 8.0 | $4.00 |
| Nov 2014 | 8.0 | $6.40 |
| Oct 2013 | 8.0 | $6.40 |
| Apr 2013 | 8.0 | $6.40 |
| Mar 2013 | 8.0 | $6.40 |
| Jan 2013 | 8.0 | $4.00 |
| Feb 2020 | 7.5 | $7.49 |
| May 2020 | 6.5 | $7.00 |
| Jul 2015 | 6.0 | $4.80 |
| Mar 2015 | 6.0 | $4.80 |
| Sep 2014 | 6.0 | $4.80 |