| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No, no maximum | 305 |
25.4%
|
| 1 | Yes, should be a maximum | 863 |
71.9%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don't know | 28 |
2.3%
|