| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3248 |
19.5%
|
|
| 1 | 3196 |
19.2%
|
|
| 2 | 3165 |
19%
|
|
| 3 | 3623 |
21.8%
|
|
| 4 | 3391 |
20.4%
|
|
| Sysmiss | 66 |