| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very much | 53 |
5.6%
|
| 2 | Some | 36 |
3.8%
|
| 3 | None | 143 |
15.2%
|
| 7 | Missing | 706 |
74.9%
|
| 9 | 5 |
0.5%
|