| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | None | 0 |
0%
|
| 20 | 1 |
25%
|
|
| 5000 | 1 |
25%
|
|
| 10000 | 1 |
25%
|
|
| 20000 | 1 |
25%
|
|
| Sysmiss | 110 |