Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 0 |
0%
|
-9 | Don't know (spontaneous) | 0 |
0%
|
7 | 1 |
20%
|
|
8 | 1 |
20%
|
|
9 | 1 |
20%
|
|
12 | 2 |
40%
|
|
Sysmiss | 355 |