| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 8284 |
45.9%
|
| 2 | Very little | 4236 |
23.4%
|
| 3 | To some extent | 3142 |
17.4%
|
| 4 | A lot | 2402 |
13.3%
|
| 7 | N/A | 370 | |
| 8 | Invalid | 3 | |
| 9 | Miss | 204 |