| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
25%
|
|
| 20 | 1 |
25%
|
|
| 22 | 1 |
25%
|
|
| 98 | Don't know | 1 |
25%
|
| 99 | 100+ | 0 |
0%
|
| Sysmiss | 42008 |