| Value | Category | Cases | |
|---|---|---|---|
| -5 | Not available | 0 |
0%
|
| 7 | 1 |
12.5%
|
|
| 9 | 1 |
12.5%
|
|
| 12 | 3 |
37.5%
|
|
| 18 | 2 |
25%
|
|
| 21 | 1 |
12.5%
|
|
| Sysmiss | 192 |