Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
25%
|
0 | 8 |
33.3%
|
|
15 | 2 |
8.3%
|
|
20 | 2 |
8.3%
|
|
30 | 6 |
25%
|
|
Sysmiss | 73 |