| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 1 | Incorrect answer | 49 |
3.8%
|
| 2 | Correct answer | 1195 |
93.5%
|
| 9 | Don't know | 34 |
2.7%
|
| 998 | Refused | 0 |
0%
|