Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 0 |
0%
|
-9 | Don't know (spontaneous) | 1 |
10%
|
0 | 3 |
30%
|
|
15 | 1 |
10%
|
|
30 | 1 |
10%
|
|
50 | 2 |
20%
|
|
60 | 2 |
20%
|
|
Sysmiss | 215 |