| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 12591 |
69.9%
|
| 2 | Very little | 3155 |
17.5%
|
| 3 | To some extent | 1704 |
9.5%
|
| 4 | A lot | 575 |
3.2%
|
| 7 | N/A | 369 | |
| 8 | Invalid | 6 | |
| 9 | Miss | 241 |