| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
1.2%
|
| 2 | 2 | 32 |
6.3%
|
| 3 | 3 | 20 |
4%
|
| 4 | 4 | 446 |
88.5%
|
| Sysmiss | 241 |