| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 7548 |
41.8%
|
| 2 | Very little | 5639 |
31.2%
|
| 3 | To some extent | 3684 |
20.4%
|
| 4 | A lot | 1205 |
6.7%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 10 | |
| 9 | Miss | 186 |