Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
3 | 1 |
25%
|
|
6 | 1 |
25%
|
|
18 | 1 |
25%
|
|
20 | 1 |
25%
|
|
Sysmiss | 353 |