| Value | Category | Cases | |
|---|---|---|---|
| -9 | refused to answer | 0 |
0%
|
| -8 | don't know | 0 |
0%
|
| 0 | 204 |
94.4%
|
|
| 2 | 1 |
0.5%
|
|
| 10 | 10 |
4.6%
|
|
| 50 | 1 |
0.5%
|