Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | 1 |
20%
|
|
2 | 1 |
20%
|
|
4 | 1 |
20%
|
|
9 | 1 |
20%
|
|
11 | 1 |
20%
|
|
Sysmiss | 235 |