Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
0 | 16 |
80%
|
|
15 | 1 |
5%
|
|
20 | 2 |
10%
|
|
40 | 1 |
5%
|
|
Sysmiss | 91 |