| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. PG/DC/SEU | 2 |
2.8%
|
| 2 | 2. KG | 5 |
7%
|
| 3 | 3. ES | 41 |
57.7%
|
| 4 | 4. JHS | 22 |
31%
|
| 9 | 9. Missing | 1 |
1.4%
|
| Sysmiss | 237 |