| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 5950 |
34.5%
|
| 2 | Very little | 6873 |
39.8%
|
| 3 | To some extent | 3761 |
21.8%
|
| 4 | A lot | 671 |
3.9%
|
| 7 | N/A | 391 | |
| 8 | Invalid | 5 | |
| 9 | Missing | 488 |