| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 0 |
0%
|
| 0 | 41 |
27.7%
|
|
| 1 | 63 |
42.6%
|
|
| 2 | 37 |
25%
|
|
| 3 | 4 |
2.7%
|
|
| 4 | 3 |
2%
|