| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 7334 |
40.8%
|
| 2 | Very little | 3695 |
20.6%
|
| 3 | To some extent | 4446 |
24.7%
|
| 4 | A lot | 2490 |
13.9%
|
| 7 | N/A | 371 | |
| 8 | Invalid | 10 | |
| 9 | Miss | 295 |