| 1972 | 1975 | 1975 | 1979 |
 |
 |
 |
 |
| SG 738 | SG 844 | SG 846 | SG 995 |
| Scott 643 | Scott 742 | Scott 744 | Scott 888 |
| 1984 | 1987 | 1989 | 1990 | 1992 | 1994 |
 |
 |
 |
 |
 |
 |
| SG 1166 | SG 1292 | SG 1418 | SG 1470 | SG 1587 | SG 1717 |
| Scott 1062 | Scott 1185 | Scott 1314 | Scott 1355 | Scott 1449 | Scott 1560 |
| 1995 | 1996 | 1997 | 1997 |
 |
 |
 |
 |
| SG 1797 | SG 1883 | SG 1992 | SG 1997 |
| Scott 1622 | Scott 1690 | Scott 1781 | Scott 1786 |
| 1998 | 1999 | 2005 | 2005 | 2005 |
 |
 |
 |
 |
 |
| SG 2050 | SG 2140 | SG 2623 | SG 2636 | SG 2637 |
| Scott 1824 | Scott 1901 | Scott | Scott 2172 | Scott 2173 |
| 2005 | 2005 | 2005 | 2006 | 2007 |
 |
 |
 |
 |
 |
| SG 2638 | SG 2639 | SG 2675 | SG 2755 | SG 2845c |
| Scott 2174 | Scott 2175 | Scott 2198 | Scott 2263 | Scott 2334c |
| SG MS2758 | SG MS2845 |
| 2005 | 2012 |
 |
 |
| SG MS2640 | SG |
| Scott 2175a | Scott |
| 2009 | 2011 | 2011 | 2012 |
 |
 |
 |
 |
| Sheet | SG MS3267 | ||
| SG 3026a | SG 3163 | SG 3267a | SG |
| Scott 2462 | Scott 2591 | Scott 2628a | Scott |
| 2012 |
 |
| SG |
| Scott |
