| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 11324 |
62.8%
|
| 2 | Very little | 3508 |
19.5%
|
| 3 | To some extent | 2545 |
14.1%
|
| 4 | A lot | 641 |
3.6%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 8 | |
| 9 | Miss | 246 |