| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No, no maximum | 192 |
16%
|
| 1 | Yes, should be a maximum | 956 |
79.7%
|
| 8 | Refused | 11 |
0.9%
|
| 9 | Don't know | 41 |
3.4%
|