Value | Category | Cases | |
---|---|---|---|
-2 | don't know | 1 |
3.2%
|
-1 | refuse | 0 |
0%
|
0 | 3 |
9.7%
|
|
20 | 1 |
3.2%
|
|
30 | 26 |
83.9%
|
|
Sysmiss | 1018 |