| Value | Category | Cases | |
|---|---|---|---|
| 1 | 168 |
7.5%
|
|
| 2 | 78 |
3.5%
|
|
| 3 | 347 |
15.5%
|
|
| 4 | 1640 |
73.4%
|
|
| Sysmiss | 10174 |