| Accuracy | Central Position vs Side Positions | ||
| Top Part | Middle Part | Bottom Part | |
| (a) Cultivated | 57.6% - 62.1% | 51.5% - 56.1% | 50.6% - 53.3% |
| (b) Wild-grown | 52.5% - 55.6% | 53.5% - 54.8% | 53.6% - 58.5% |