| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
6.5%
|
|
| 2 | 6 |
19.4%
|
|
| 3 | 17 |
54.8%
|
|
| 4 | 6 |
19.4%
|
|
| Sysmiss | 569 |