| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 46 |
95.8%
|
| 1 | Localised | 0 |
0%
|
| 2 | Bilateral | 2 |
4.2%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 20 | |
| Sysmiss | 2616 |