| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
7.1%
|
|
| 4 | 1 |
7.1%
|
|
| 5 | 1 |
7.1%
|
|
| 8 | 2 |
14.3%
|
|
| 10 | 3 |
21.4%
|
|
| 12 | 2 |
14.3%
|
|
| 13 | 2 |
14.3%
|
|
| 16 | 1 |
7.1%
|
|
| 18 | 1 |
7.1%
|
|
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 | |
| Sysmiss | 1 |