| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 1 |
11.1%
|
| -1 | refuse | 1 |
11.1%
|
| 1 | Significant | 3 |
33.3%
|
| 2 | Average | 1 |
11.1%
|
| 3 | Minor | 3 |
33.3%
|
| Sysmiss | 1040 |