| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
6.7%
|
|
| 2 | 1 |
3.3%
|
|
| 3 | 11 |
36.7%
|
|
| 5 | 1 |
3.3%
|
|
| 6 | 13 |
43.3%
|
|
| 7 | 2 |
6.7%
|
|
| Sysmiss | 1 |