| Value | Category | Cases | |
|---|---|---|---|
| 9 | 2 |
40%
|
|
| 10 | 1 |
20%
|
|
| 11 | 1 |
20%
|
|
| 13 | 1 |
20%
|
|
| 98 | Don't know | 0 |
0%
|
| Sysmiss | 7855 |