| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 38 |
18.7%
|
| -1 | Don't know | 11 |
5.4%
|
| 0 | 134 |
66%
|
|
| 20 | 3 |
1.5%
|
|
| 25 | 1 |
0.5%
|
|
| 30 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 6 |
3%
|
|
| 150 | 1 |
0.5%
|
|
| 200 | 2 |
1%
|
|
| 350 | 2 |
1%
|
|
| 3000 | 1 |
0.5%
|
|
| Sysmiss | 4 |