| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2202 |
12.1%
|
| 2 | Very little | 7176 |
39.5%
|
| 3 | To some extent | 6454 |
35.5%
|
| 4 | A lot | 2325 |
12.8%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 3 | |
| 9 | Miss | 112 |