| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
5.9%
|
| 1 | 5 |
29.4%
|
|
| 2 | 4 |
23.5%
|
|
| 4 | 1 |
5.9%
|
|
| 5 | 1 |
5.9%
|
|
| 8 | 1 |
5.9%
|
|
| 15 | 1 |
5.9%
|
|
| 20 | 1 |
5.9%
|
|
| 22 | 1 |
5.9%
|
|
| 25 | 1 |
5.9%
|
|
| Sysmiss | 465 |