| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 469 |
19.5%
|
| 1 | Yes | 140 |
5.8%
|
| 7 | Not applicable | 1777 |
74%
|
| 9 | Don't know | 13 |
0.5%
|
| 998 | Refused | 0 |
0%
|