| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 17 |
1.2%
|
| 1 | Only a litle | 13 |
0.9%
|
| 2 | Quite a lot | 28 |
2%
|
| 3 | A great deal | 15 |
1.1%
|
| 88 | 15 |
1.1%
|
|
| 99 | N/A | 1326 |
93.8%
|
| Sysmiss | 167 |