| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 232 |
36.4%
|
| 1 | Yes | 318 |
49.8%
|
| 2 | Can't remember | 1 |
0.2%
|
| 7 | Not applicable | 0 |
0%
|
| 8 | Unknown | 87 |
13.6%
|
| 9 | Missing | 1 | |
| Sysmiss | 347 |