| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 3 |
0.2%
|
| 1 | Only a little | 40 |
2.6%
|
| 2 | Quite a lot | 22 |
1.4%
|
| 3 | A great deal | 18 |
1.1%
|
| 88 | N/A | 1484 |
94.7%
|
| 99 | N/A | 0 |
0%
|
| Sysmiss | 14 |