| Direction class | 9 | 8 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| Direction category | Flat | North | East north | East | East south | South | West south | West | West north |
| Space (square km) | 51 | 71 | 65 | 92 | 103 | 165 | 105 | 88 | 83 |
| Space (percentage) | 6.3 | 8.4 | 7.9 | 11.3 | 12.5 | 20.1 | 12.7 | 10.7 | 10.1 |