| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 53 |
57.6%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | 8 |
8.7%
|
|
| 1 | 8 |
8.7%
|
|
| 2 | 5 |
5.4%
|
|
| 3 | 4 |
4.3%
|
|
| 5 | 6 |
6.5%
|
|
| 6 | 1 |
1.1%
|
|
| 10 | 5 |
5.4%
|
|
| 20 | 1 |
1.1%
|
|
| 40 | 1 |
1.1%
|
|
| Sysmiss | 59 |