| Value | Category | Cases | |
|---|---|---|---|
| 0 | 438 |
20.3%
|
|
| 1 | 404 |
18.7%
|
|
| 2 | 451 |
20.9%
|
|
| 3 | 398 |
18.4%
|
|
| 4 | 268 |
12.4%
|
|
| 5 | 201 |
9.3%
|
|
| Sysmiss | 3 |