| Value | Category | Cases | |
|---|---|---|---|
| 0 | 629 |
29.4%
|
|
| 1 | 146 |
6.8%
|
|
| 2 | 443 |
20.7%
|
|
| 3 | 467 |
21.9%
|
|
| 4 | 451 |
21.1%
|
|
| Sysmiss | 27 |