| Value | Category | Cases | |
|---|---|---|---|
| 1 | 22 |
10%
|
|
| 2 | 158 |
72.1%
|
|
| 3 | 33 |
15.1%
|
|
| 4 | 6 |
2.7%
|
|
| Sysmiss | 87 |