| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 0 |
0%
|
| 1 | 8 |
5.4%
|
|
| 2 | 19 |
12.8%
|
|
| 3 | 46 |
31.1%
|
|
| 4 | 75 |
50.7%
|