| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2475 |
14.1%
|
|
| 2 | 4437 |
25.3%
|
|
| 3 | 5680 |
32.4%
|
|
| 4 | 4927 |
28.1%
|
|
| Sysmiss | 31733 |