| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 5945 |
33%
|
| 2 | Very little | 7000 |
38.8%
|
| 3 | To some extent | 4546 |
25.2%
|
| 4 | A lot | 528 |
2.9%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 2 | |
| 9 | Miss | 251 |