| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 6 |
0.6%
|
| -97 | Can’t remember | 15 |
1.6%
|
| 0 | No | 899 |
93.6%
|
| 1 | Yes | 40 |
4.2%
|
| Sysmiss | 137 |