| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1179 |
7.9%
|
|
| 2 | 3957 |
26.5%
|
|
| 3 | 6962 |
46.7%
|
|
| 4 | 2810 |
18.8%
|
|
| Sysmiss | 1532 |