Value | Category | Cases | |
---|---|---|---|
-1 | Missing data | 0 |
0%
|
1 | Incorrect answer | 479 |
40%
|
2 | Correct answer | 608 |
50.8%
|
9 | Don't know | 111 |
9.3%
|
998 | Refused | 0 |
0%
|