| Value | Category | Cases | |
|---|---|---|---|
| 1 | 426 |
11.8%
|
|
| 2 | 329 |
9.1%
|
|
| 3 | 168 |
4.6%
|
|
| 4 | 2691 |
74.5%
|
|
| Sysmiss | 4 |