| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | None | 1666 |
69.4%
|
| 1 | Few | 466 |
19.4%
|
| 2 | Some | 231 |
9.6%
|
| 3 | Most | 31 |
1.3%
|
| 4 | All | 3 |
0.1%
|