| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2911 |
21.9%
|
|
| 1 | 2607 |
19.6%
|
|
| 2 | 2742 |
20.6%
|
|
| 3 | 2760 |
20.8%
|
|
| 4 | 2262 |
17%
|
|
| Sysmiss | 305 |