| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 598 |
50.3%
|
| 1 | Yes | 544 |
45.7%
|
| 9 | Don't know | 48 |
4%
|
| 998 | Refuesd | 0 |
0%
|