| Site No | Entry | Exit | Total | ||||||
| Error (No’s) | Repeated | Error (%) | Error (No’s) | Repeated | Error (%) | Error (No’s) | Repeated | Error (%) | |
| 1 | 2 | 288 | 0.69 | 4 | 259 | 1.54 | 6 | 547 | 1.10 |
| 12 | 9 | 487 | 1.85 | 3 | 454 | 0.66 | 12 | 941 | 1.28 |
| 21 | 3 | 247 | 1.21 | 4 | 209 | 1.91 | 7 | 456 | 1.54 |
| 31 | 0 | 59 | 0.00 | 1 | 53 | 1.89 | 1 | 112 | 0.89 |
| 39 | 2 | 264 | 0.76 | 3 | 239 | 1.26 | 5 | 503 | 0.99 |