| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2417 |
13.8%
|
| 2 | Very little | 9442 |
54%
|
| 3 | To some extent | 4771 |
27.3%
|
| 4 | A lot | 847 |
4.8%
|
| 7 | N/A | 392 | |
| 8 | Invalid | 4 | |
| 9 | Missing | 266 |