| Value | Category | Cases | |
|---|---|---|---|
| 19 | 1 |
25%
|
|
| 23 | 1 |
25%
|
|
| 28 | 2 |
50%
|
|
| 98 | don't know/don't remember | 0 |
0%
|
| Sysmiss | 11755 |