| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 1835 |
3.5%
|
| 1 | Over precipice | 505 |
1%
|
| 2 | Unattended runway animal | 628 |
1.2%
|
| 3 | Straying unattended animal drawn vehicle | 43 |
0.1%
|
| 4 | Forced off road | 2741 |
5.2%
|
| 5 | Struck by animal | 13 |
0%
|
| 6 | Struck animal | 543 |
1%
|
| 7 | Other unusual features | 1827 |
3.4%
|
| 8 | No unusual features | 44847 |
84.6%
|