| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | None | 0 |
0%
|
| 20000 | 1 |
20%
|
|
| 150000 | 2 |
40%
|
|
| 400000 | 1 |
20%
|
|
| 600000 | 1 |
20%
|
|
| Sysmiss | 370 |