| Value | Category | Cases | |
|---|---|---|---|
| 0 | 233 |
9.7%
|
|
| 1 | 132 |
5.5%
|
|
| 2 | 177 |
7.4%
|
|
| 3 | 715 |
29.8%
|
|
| 4 | 1140 |
47.6%
|
|
| Sysmiss | 2432 |