| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | None | 956 |
79.7%
|
| 1 | Few | 210 |
17.5%
|
| 2 | Some | 26 |
2.2%
|
| 3 | Most | 2 |
0.2%
|
| 4 | All | 4 |
0.3%
|