| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 5967 |
33%
|
| 2 | Very little | 7232 |
39.9%
|
| 3 | To some extent | 4149 |
22.9%
|
| 4 | A lot | 758 |
4.2%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 6 | |
| 9 | Miss | 160 |