| Value | Category | Cases | |
|---|---|---|---|
| 1 | 16 |
11.7%
|
|
| 2 | 33 |
24.1%
|
|
| 3 | 68 |
49.6%
|
|
| 4 | 20 |
14.6%
|
|
| Sysmiss | 147 |