| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
11.4%
|
|
| 1 | 86 |
75.4%
|
|
| 2 | 13 |
11.4%
|
|
| 3 | 2 |
1.8%
|
|
| Sysmiss | 196 |