| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
4.6%
|
|
| 2 | 248 |
76.3%
|
|
| 3 | 23 |
7.1%
|
|
| 4 | 39 |
12%
|
|
| Sysmiss | 1 |