| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 2 |
0.2%
|
| 1 | Incorrect answer | 99 |
8.3%
|
| 2 | Correct answer | 1060 |
88.3%
|
| 9 | Don't know | 39 |
3.3%
|
| 998 | Refused | 0 |
0%
|