| Value | Category | Cases | |
|---|---|---|---|
| 10 | 1 |
6.7%
|
|
| 11 | 2 |
13.3%
|
|
| 12 | 1 |
6.7%
|
|
| 14 | 5 |
33.3%
|
|
| 15 | 1 |
6.7%
|
|
| 16 | 1 |
6.7%
|
|
| 17 | 3 |
20%
|
|
| 18 | 1 |
6.7%
|
|
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 |