Value | Category | Cases | |
---|---|---|---|
-99 | DK | 19 |
1.2%
|
-88 | Missing | 0 |
0%
|
-77 | NA | 179 |
11.4%
|
1 | Very sure | 977 |
62.2%
|
2 | Sure | 344 |
21.9%
|
3 | Not very sure | 52 |
3.3%
|
Sysmiss | 5 |