| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 931 |
77.6%
|
| 1 | Yes | 262 |
21.8%
|
| 9 | Don't know | 7 |
0.6%
|
| 998 | Refused | 0 |
0%
|