| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
13.7%
|
|
| 1 | 74 |
50.7%
|
|
| 2 | 20 |
13.7%
|
|
| 3 | 12 |
8.2%
|
|
| 4 | 20 |
13.7%
|
|
| Sysmiss | 304 |