| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.2%
|
|
| 1 | 6 |
13.3%
|
|
| 2 | 16 |
35.6%
|
|
| 3 | 18 |
40%
|
|
| 4 | 4 |
8.9%
|
|
| Sysmiss | 69 |