| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
43.5%
|
| 0 | 3 |
13%
|
|
| 150 | 2 |
8.7%
|
|
| 500 | 2 |
8.7%
|
|
| 700 | 1 |
4.3%
|
|
| 3000 | 2 |
8.7%
|
|
| 5000 | 1 |
4.3%
|
|
| 6000 | 1 |
4.3%
|
|
| 15000 | 1 |
4.3%
|
|
| Sysmiss | 127 |