Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
10%
|
0 | 2 |
20%
|
|
1 | 4 |
40%
|
|
3 | 1 |
10%
|
|
4 | 1 |
10%
|
|
15 | 1 |
10%
|
|
Sysmiss | 143 |