| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
8.3%
|
|
| 2 | 10 |
20.8%
|
|
| 3 | 27 |
56.3%
|
|
| 4 | 7 |
14.6%
|
|
| Sysmiss | 951 |