| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.5%
|
| 0 | None | 944 |
78.7%
|
| 1 | Few | 169 |
14.1%
|
| 2 | Some | 66 |
5.5%
|
| 3 | Most | 13 |
1.1%
|
| 4 | All | 1 |
0.1%
|