| Value | Category | Cases | |
|---|---|---|---|
| 0 | 26 |
3.7%
|
|
| 1 | 25 |
3.6%
|
|
| 2 | 46 |
6.6%
|
|
| 3 | 261 |
37.4%
|
|
| 4 | 339 |
48.6%
|
|
| Sysmiss | 873 |