| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.5%
|
|
| 1 | Yes | 97 |
43.7%
|
| 2 | No | 90 |
40.5%
|
| 3 | Not sure | 34 |
15.3%
|
| Sysmiss | 38 |