| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 22 |
20%
|
| -1 | refuse | 0 |
0%
|
| 0 | 64 |
58.2%
|
|
| 1 | 12 |
10.9%
|
|
| 2 | 5 |
4.5%
|
|
| 3 | 3 |
2.7%
|
|
| 5 | 4 |
3.6%
|
|
| Sysmiss | 939 |