| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 5 |
25%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 1 |
5%
|
| 4 | 1 |
5%
|
|
| 8 | 1 |
5%
|
|
| 10 | 1 |
5%
|
|
| 12 | 1 |
5%
|
|
| 25 | 1 |
5%
|
|
| 30 | 1 |
5%
|
|
| 40 | 3 |
15%
|
|
| 55 | 1 |
5%
|
|
| 80 | 1 |
5%
|
|
| 90 | 1 |
5%
|
|
| 170 | 1 |
5%
|
|
| 201 | 1 |
5%
|
|
| Sysmiss | 736 |