| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 2 |
0.2%
|
| 1 | Incorrect answer | 69 |
5.8%
|
| 2 | Correct answer | 1082 |
90.2%
|
| 9 | Don't know | 47 |
3.9%
|
| 998 | Refused | 0 |
0%
|