| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
40%
|
|
| 1 | 5 |
33.3%
|
|
| 2 | 1 |
6.7%
|
|
| 6 | 1 |
6.7%
|
|
| 8 | 1 |
6.7%
|
|
| 10 | 1 |
6.7%
|
|
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 |