| Value | Category | Cases | |
|---|---|---|---|
| 1 | 36 |
4.6%
|
|
| 2 | 64 |
8.1%
|
|
| 3 | 129 |
16.4%
|
|
| 4 | 558 |
70.9%
|
|
| Sysmiss | 2 |