Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 0 |
0%
|
-9 | Don't know (spontaneous) | 2 |
40%
|
9 | 1 |
20%
|
|
15 | 1 |
20%
|
|
25 | 1 |
20%
|
|
Sysmiss | 340 |