| Value | Category | Cases | |
|---|---|---|---|
| 0 | 197 |
5.8%
|
|
| 1 | 296 |
8.7%
|
|
| 2 | 706 |
20.7%
|
|
| 3 | 566 |
16.6%
|
|
| 4 | 1642 |
48.2%
|
|
| Sysmiss | 460 |