| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 13 |
0.9%
|
| 1 | Only a litle | 11 |
0.8%
|
| 2 | Quite a lot | 29 |
2.1%
|
| 3 | A great deal | 17 |
1.2%
|
| 99 | N/A | 1343 |
95%
|
| Sysmiss | 168 |