| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3190 |
21.7%
|
|
| 1 | 2833 |
19.3%
|
|
| 2 | 3117 |
21.2%
|
|
| 3 | 2835 |
19.3%
|
|
| 4 | 2726 |
18.5%
|
|
| Sysmiss | 439 |