| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3557 |
25.7%
|
|
| 1 | 2083 |
15.1%
|
|
| 2 | 2031 |
14.7%
|
|
| 3 | 1997 |
14.4%
|
|
| 4 | 4165 |
30.1%
|
|
| Sysmiss | 454 |