| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 52 |
85.2%
|
| 1 | Localised | 0 |
0%
|
| 2 | Bilateral | 9 |
14.8%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 7 | |
| Sysmiss | 2616 |