| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 1 |
6.7%
|
| 11 | 3 |
20%
|
|
| 12 | 2 |
13.3%
|
|
| 13 | 1 |
6.7%
|
|
| 16 | 2 |
13.3%
|
|
| 17 | 1 |
6.7%
|
|
| 19 | 2 |
13.3%
|
|
| 21 | 1 |
6.7%
|
|
| 24 | 2 |
13.3%
|
|
| Sysmiss | 185 |