| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Yes | 81 |
7.7%
|
| 2 | No | 435 |
41.5%
|
| 7 | Not applicable | 526 |
50.2%
|
| 9 | Don't know | 6 |
0.6%
|