| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 461 |
19.2%
|
| 1 | Yes | 193 |
8%
|
| 7 | Not applicable | 1740 |
72.5%
|
| 9 | Don't know | 6 |
0.3%
|
| 998 | Refused | 0 |
0%
|