| Value | Category | Cases | |
|---|---|---|---|
| 1 | 23 |
7.1%
|
|
| 2 | 226 |
69.5%
|
|
| 3 | 15 |
4.6%
|
|
| 4 | 61 |
18.8%
|
|
| Sysmiss | 1 |