| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No, no maximum | 732 |
30.8%
|
| 1 | Yes, should be a maximum | 1573 |
66.1%
|
| 8 | Refused | 11 |
0.5%
|
| 9 | Don't know | 62 |
2.6%
|