| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 6434 |
35.5%
|
| 2 | Very little | 8441 |
46.6%
|
| 3 | To some extent | 2493 |
13.8%
|
| 4 | A lot | 753 |
4.2%
|
| 7 | N/A | 370 | |
| 8 | Invalid | 3 | |
| 9 | Miss | 147 |