| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 |
5%
|
|
| 2 | 13 |
10.9%
|
|
| 3 | 20 |
16.8%
|
|
| 4 | 80 |
67.2%
|
|
| Sysmiss | 3 |