| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
3.9%
|
|
| 2 | 23 |
45.1%
|
|
| 3 | 6 |
11.8%
|
|
| 4 | 20 |
39.2%
|
|
| Sysmiss | 464 |