| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 5386 |
29.9%
|
| 2 | Very little | 4677 |
26%
|
| 3 | To some extent | 4769 |
26.5%
|
| 4 | A lot | 3172 |
17.6%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 13 | |
| 9 | Miss | 255 |