| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
1.3%
|
|
| 1 | 22 |
1.6%
|
|
| 2 | 8 |
0.6%
|
|
| 3 | 287 |
20.6%
|
|
| 4 | 1061 |
76%
|
|
| Sysmiss | 174 |