| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 13 |
0%
|
| 0 | No | 20064 |
72.4%
|
| 1 | Yes | 7054 |
25.5%
|
| 8 | Refused | 115 |
0.4%
|
| 9 | Don't know | 467 |
1.7%
|