| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. PG/DC/SEU | 2 |
4.8%
|
| 2 | 2. KG | 4 |
9.5%
|
| 3 | 3. ES | 18 |
42.9%
|
| 4 | 4. JHS | 17 |
40.5%
|
| 9 | 9. Missing | 1 |
2.4%
|
| Sysmiss | 266 |