| Value | Category | Cases | |
|---|---|---|---|
| -97 | Not Applicable | 228 |
11.5%
|
| -95 | Refused | 21 |
1.1%
|
| 0 | Not at all | 351 |
17.7%
|
| 1 | Small extent | 194 |
9.8%
|
| 2 | Medium extent | 798 |
40.2%
|
| 3 | High extent | 395 |
19.9%
|
| Sysmiss | 748 |