| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18 |
15.1%
|
|
| 2 | 74 |
62.2%
|
|
| 3 | 21 |
17.6%
|
|
| 4 | 6 |
5%
|
|
| Sysmiss | 3 |