| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
25.7%
|
| 0 | 12 |
34.3%
|
|
| 600 | 1 |
2.9%
|
|
| 3000 | 1 |
2.9%
|
|
| 4000 | 1 |
2.9%
|
|
| 4500 | 1 |
2.9%
|
|
| 5000 | 1 |
2.9%
|
|
| 6000 | 1 |
2.9%
|
|
| 10000 | 1 |
2.9%
|
|
| 18000 | 1 |
2.9%
|
|
| 21000 | 1 |
2.9%
|
|
| 32000 | 1 |
2.9%
|
|
| 50000 | 1 |
2.9%
|
|
| 80000 | 1 |
2.9%
|
|
| 100000 | 1 |
2.9%
|
|
| 180000 | 1 |
2.9%
|
|
| Sysmiss | 1690 |