| Value | Category | Cases | |
|---|---|---|---|
| 6 | 3 |
30%
|
|
| 9 | 1 |
10%
|
|
| 15 | 1 |
10%
|
|
| 20 | 2 |
20%
|
|
| 42 | 2 |
20%
|
|
| 56 | 1 |
10%
|
|
| 88 | dk | 0 |
0%
|
| 99 | No response | 0 |
0%
|
| Sysmiss | 111 |