| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 55 |
91.7%
|
| 1 | Localised | 1 |
1.7%
|
| 2 | Bilateral | 4 |
6.7%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 8 | |
| Sysmiss | 2616 |