| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -98 | Refuse to answer | 0 |
0%
|
| 1 | 10 |
83.3%
|
|
| 2 | 2 |
16.7%
|
|
| Sysmiss | 3311 |