| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 700 |
58.8%
|
| 1 | Yes | 440 |
37%
|
| 9 | Don't know | 50 |
4.2%
|
| 998 | Refuesd | 0 |
0%
|