| Value | Category | Cases | |
|---|---|---|---|
| 1 | 22 |
3.7%
|
|
| 2 | 97 |
16.3%
|
|
| 3 | 299 |
50.3%
|
|
| 4 | 176 |
29.6%
|
|
| Sysmiss | 6 |