Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
20%
|
15 | 1 |
20%
|
|
20 | 1 |
20%
|
|
50 | 1 |
20%
|
|
90 | 1 |
20%
|
|
Sysmiss | 146 |