| OBSERVER | NUMBER | MEAN %E | M E | NUMBER | MEAN %E | M E | |
| SOULSBY BYRON W. WITH ANTHONY B. | 16 | 2.0765 | 0.2711 | 9 | 1.2952 | 0.2918 | |
| NULAND VAN JAMES H. | 17 | 2.5380 | 0.2577 | 4 | 1.6377 | 0.4883 | |
| SANCHEZ ROBERT | 8 | 2.6666 | 0.4132 | 27 | 1.8345 | 0.1803 | |
| LOW PETER | 4 | 2.0557 | 0.6083 | ||||
| MILLER DAVID | 2 | 1.7451 | 0.5281 | 1 | 0.0268 | 0.0000 | |
| NOTTAGE D. | 1 | 1.0830 | 0.0000 | ||||
| NURSE GORDON | 17 | 2.4384 | 0.2542 | 19 | 1.2533 | 0.2134 | |
| JAMESON IAN | 4 | 2.6167 | 0.5117 | ||||
| STEICKE DAVID P. | 12 | 2.3713 | 0.3404 | ||||
| SUMNER BRUCE | 4 | 1.2532 | 0.3932 | ||||
| GRANT IAN | 13 | 2.4511 | 0.3087 | 20 | 1.6529 | 0.2046 | |
| TABUR V. | 1 | 0.8902 | 0.0000 | 3 | 1.3608 | 0.4804 | |
| HENDMAN G. & KILBEY P. | 6 | 2.0541 | 0.4203 | ||||
| MEAGHER D. | 18 | 2.7378 | 0.2558 | ||||
| COOK TONY | 19 | 1.2479 | 0.1730 | ||||
| CLARK MAURICE | 44 | 1.2093 | 0.1143 | ||||
| BRICKEL ALASTAIR | 1 | 3.1273 | 0.0000 | 8 | 1.6174 | 0.4303 | |
| CARTER BRAD | 17 | 2.4429 | 0.1812 | 10 | 1.4963 | 0.2999 | |
| PARKINS MURRAY L. | 33 | 2.5693 | 0.1390 | 24 | 1.2722 | 0.1542 | |
| HARDY STEPHEN | 2 | 2.0265 | 0.4737 | 35 | 1.3796 | 0.1512 | |
| JAMES ANDREW | 25 | 2.1915 | 0.1698 | 9 | 0.9779 | 0.3604 | |
| WILSON HILARY N. | 2 | 2.2074 | 0.6828 | ||||
| GRUDZIE RICHARD | 1 | 3.6081 | 0.0000 | 1 | 2.4727 | 0.0000 | |
| KLEKOCI ANDREW | 1 | 2.4394 | 0.0000 |