| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 5 | 3 |
37.5%
|
|
| 10 | 3 |
37.5%
|
|
| 20 | 1 |
12.5%
|
|
| 50 | 1 |
12.5%
|
|
| Sysmiss | 142 |