Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | 1 |
20%
|
|
3 | 1 |
20%
|
|
7 | 1 |
20%
|
|
15 | 1 |
20%
|
|
20 | 1 |
20%
|
|
Sysmiss | 315 |