| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1956 |
28.6%
|
|
| 1 | 2122 |
31%
|
|
| 2 | 919 |
13.4%
|
|
| 3 | 1046 |
15.3%
|
|
| 4 | 792 |
11.6%
|
|
| Sysmiss | 495 |