| Value | Category | Cases | |
|---|---|---|---|
| 1 | 22 |
6.8%
|
|
| 2 | 18 |
5.5%
|
|
| 3 | 11 |
3.4%
|
|
| 4 | 274 |
84.3%
|
|
| Sysmiss | 1 |