| Value | Category | Cases | |
|---|---|---|---|
| 1 | 24 |
7.4%
|
|
| 2 | 253 |
77.8%
|
|
| 3 | 38 |
11.7%
|
|
| 4 | 10 |
3.1%
|
|
| Sysmiss | 1 |