| Value | Category | Cases | |
|---|---|---|---|
| -97 | Not Applicable | 15 |
0.8%
|
| -95 | Refused | 1 |
0.1%
|
| 0 | Not at all | 591 |
29.8%
|
| 1 | Small extent | 319 |
16.1%
|
| 2 | Medium extent | 744 |
37.6%
|
| 3 | High extent | 310 |
15.7%
|
| Sysmiss | 755 |