| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
22.2%
|
| 850 | 1 |
5.6%
|
|
| 1200 | 1 |
5.6%
|
|
| 1740 | 1 |
5.6%
|
|
| 1800 | 1 |
5.6%
|
|
| 2100 | 1 |
5.6%
|
|
| 2500 | 1 |
5.6%
|
|
| 3000 | 1 |
5.6%
|
|
| 6000 | 3 |
16.7%
|
|
| 8000 | 2 |
11.1%
|
|
| 10000 | 1 |
5.6%
|
|
| 12000 | 1 |
5.6%
|
|
| Sysmiss | 138 |