| Value | Category | Cases | |
|---|---|---|---|
| 0 | 639 |
21.3%
|
|
| 1 | 583 |
19.5%
|
|
| 2 | 554 |
18.5%
|
|
| 3 | 615 |
20.5%
|
|
| 4 | 606 |
20.2%
|
|
| Sysmiss | 133 |