| Value | Category | Cases | |
|---|---|---|---|
| -9 | never | 452 |
9.7%
|
| -8 | dk | 104 |
2.2%
|
| 0 | 3160 |
67.7%
|
|
| 1 | 430 |
9.2%
|
|
| 2 | 199 |
4.3%
|
|
| 3 | 119 |
2.6%
|
|
| 4 | 71 |
1.5%
|
|
| 5 | 55 |
1.2%
|
|
| 6 | 16 |
0.3%
|
|
| 7 | 12 |
0.3%
|
|
| 8 | 19 |
0.4%
|
|
| 9 | 4 |
0.1%
|
|
| 10 | 24 |
0.5%
|