| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 389 |
60.9%
|
| 2 | 2 | 133 |
20.8%
|
| 3 | 3 | 86 |
13.5%
|
| 4 | 4 | 19 |
3%
|
| 5 | unknown | 12 |
1.9%
|
| Sysmiss | 11 |