| Sold | Grade | Monthly Average |
| Sep 2023 | 6.0 | $27.00 |
| May 2011 | 9.4 | $25.00 |
| Dec 2009 | 8.0 | $16.00 |
| Jan 2021 | 6.0 | $30.00 |
| Mar 2017 | 6.0 | $24.00 |
| Nov 2016 | 6.0 | $24.00 |
| Oct 2014 | 6.0 | $16.75 |
| Dec 2009 | 6.0 | $12.00 |
| Jul 2007 | 6.0 | $12.00 |
| Jul 2006 | 6.0 | $12.00 |
| Sep 2021 | 4.0 | $20.00 |
| Apr 2018 | 4.0 | $21.00 |