Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
20%
|
1 | 1 |
20%
|
|
4 | 1 |
20%
|
|
6 | 1 |
20%
|
|
8 | 1 |
20%
|
|
Sysmiss | 370 |