| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 562 |
47.2%
|
| 1 | Yes | 566 |
47.6%
|
| 9 | Don't know | 62 |
5.2%
|
| 998 | Refuesd | 0 |
0%
|