| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 211 |
17.6%
|
| 1 | Yes | 983 |
81.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 4 |
0.3%
|