| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. PG/DC/SEU | 1 |
3.1%
|
| 2 | 2. KG | 3 |
9.4%
|
| 3 | 3. ES | 15 |
46.9%
|
| 4 | 4. JHS | 12 |
37.5%
|
| 9 | 9. Missing | 1 |
3.1%
|
| Sysmiss | 276 |