Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 1 |
0.1%
|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
1 | Yes | 312 |
39.9%
|
2 | No | 467 |
59.8%
|
Sysmiss | 315 |