| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 2 |
0.2%
|
| 0 | No | 984 |
82%
|
| 1 | Yes | 158 |
13.2%
|
| 9 | Don't know | 56 |
4.7%
|
| 998 | Refused | 0 |
0%
|