| Value | Category | Cases | |
|---|---|---|---|
| -8 | Don't know | 8 |
11.9%
|
| 1 | 3 |
4.5%
|
|
| 2 | 4 |
6%
|
|
| 3 | 5 |
7.5%
|
|
| 4 | 47 |
70.1%
|
|
| Sysmiss | 3545 |