This page contains postmarks from all the surveys.
| Image | Classification | Dimensions |
|---|---|---|
| 2011 | ||
| No postmarks received yet | ||
| 2010 | ||
| 2-1(n+) (USN, USS) | 32 x 33 |
| 11an+u (USS) | 31 x 30 |
| 2009 | ||
| (No postmarks received) | ||
| 2008 | ||
| (No postmarks received) | ||
| 2007 | ||
| (No postmarks received) | ||
| 2006 | ||
| (No postmarks received) | ||
| 2005 | ||
| 2-1(n+) (USN,USS) | 32 x 33 |
| 9-1(n+) (USN,USS) | 30 x 29 |
| 2004 | ||
| 2-1(n+) (USN,USS) | 32 x 33 |
| 9-1(n+) (USN,USS) | 30 x 29 |
Cancel dial dimensions are given in millimeters. If not circular, the first dimension is horizontal and the second dimension is vertical.