| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 5 |
0.3%
|
| 1 | Only a little | 40 |
2.6%
|
| 2 | Quite a lot | 21 |
1.3%
|
| 3 | A great deal | 19 |
1.2%
|
| 88 | N/A | 1482 |
94.6%
|
| 99 | N/A | 0 |
0%
|
| Sysmiss | 14 |