| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No, no maximum | 512 |
21.3%
|
| 1 | Yes, should be a maximum | 1765 |
73.5%
|
| 8 | Refused | 4 |
0.2%
|
| 9 | Don't know | 119 |
5%
|