| Value | Category | Cases | |
|---|---|---|---|
| -9 | never | 452 |
9.7%
|
| -8 | dk | 104 |
2.2%
|
| 0 | 1783 |
38.2%
|
|
| 1 | 934 |
20%
|
|
| 2 | 389 |
8.3%
|
|
| 3 | 273 |
5.9%
|
|
| 4 | 139 |
3%
|
|
| 5 | 125 |
2.7%
|
|
| 6 | 254 |
5.4%
|
|
| 7 | 57 |
1.2%
|
|
| 8 | 75 |
1.6%
|
|
| 9 | 38 |
0.8%
|
|
| 10 | 21 |
0.5%
|
|
| 11 | 21 |
0.5%
|