STERES
| Date | Clue |
|---|---|
| 2012-06-01 | Firewood measures |
| 2011-01-29 | Volume measures |
| 2008-11-02 | Firewood measures |
| 2006-08-05 | Metric volume units |
| 2005-09-02 | Firewood measures |
| 2005-08-07 | Cordwood units |
| 2004-09-18 | Cordwood units |
| 2004-04-08 | Cordwood measures |
| 2003-08-22 | Metric measures |
| 2000-08-25 | Units of volume |
| 1997-07-03 | European shipping units |
| 1996-07-25 | Cubic measures |
| 1995-12-10 | Cordwood measures |