| Site No | Entry | Exit | Total | |||||||||
| First | Repeated | Error (no’s) | Error (%) | First | Repeated | Error (no’s) | Error (%) | First | Repeated | Error (no’s) | Error (%) | |
| 1 | 306 | 309 | 3 | 0.97 | 289 | 287 | −2 | −0.70 | 595 | 596 | 1 | 0.17 |
| 12 | 405 | 410 | 5 | 1.22 | 384 | 387 | 3 | 0.78 | 789 | 797 | 8 | 1.00 |
| 21 | 221 | 224 | 3 | 1.34 | 184 | 181 | −3 | −1.66 | 405 | 405 | 0 | 0.00 |
| 31 | 76 | 75 | −1 | −1.33 | 67 | 68 | 1 | 1.47 | 143 | 143 | 0 | 0.00 |
| 39 | 251 | 254 | 3 | 1.18 | 230 | 232 | 2 | 0.86 | 481 | 486 | 5 | 1.03 |