| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
25%
|
| 0 | 2 |
12.5%
|
|
| 150 | 1 |
6.3%
|
|
| 700 | 1 |
6.3%
|
|
| 1000 | 2 |
12.5%
|
|
| 1800 | 1 |
6.3%
|
|
| 2000 | 1 |
6.3%
|
|
| 2700 | 1 |
6.3%
|
|
| 3000 | 1 |
6.3%
|
|
| 10000 | 1 |
6.3%
|
|
| 50000 | 1 |
6.3%
|
|
| Sysmiss | 134 |