| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t remember | 0 |
0%
|
| -88 | Other (specify) | 3 |
9.7%
|
| 1 | CM | 0 |
0%
|
| 2 | VRP | 28 |
90.3%
|
| Sysmiss | 2104 |