Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
0 | 20 |
80%
|
|
30 | 1 |
4%
|
|
50 | 1 |
4%
|
|
60 | 1 |
4%
|
|
70 | 1 |
4%
|
|
80 | 1 |
4%
|
|
Sysmiss | 130 |