| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 3 | 2 |
20%
|
|
| 4 | 2 |
20%
|
|
| 7 | 2 |
20%
|
|
| 8 | 1 |
10%
|
|
| 9 | 1 |
10%
|
|
| 11 | 2 |
20%
|
|
| Sysmiss | 2623 |