| Value | Category | Cases | |
|---|---|---|---|
| 1 | 29 |
8.9%
|
|
| 2 | 159 |
48.9%
|
|
| 3 | 28 |
8.6%
|
|
| 4 | 109 |
33.5%
|
|
| Sysmiss | 1 |