| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 |
4.1%
|
|
| 2 | 74 |
10.8%
|
|
| 3 | 319 |
46.5%
|
|
| 4 | 265 |
38.6%
|
|
| Sysmiss | 11 |