| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 |
13.5%
|
|
| 2 | 9 |
24.3%
|
|
| 3 | 5 |
13.5%
|
|
| 13 | 12 |
32.4%
|
|
| 14 | 2 |
5.4%
|
|
| 15 | 4 |
10.8%
|
|
| Sysmiss | 713 |