| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | No | 448 |
18.7%
|
| 1 | Yes | 395 |
16.5%
|
| 7 | Not applicable | 1551 |
64.6%
|
| 9 | Don't know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|