| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 127 |
29.7%
|
| 0 | 290 |
67.9%
|
|
| 135 | 1 |
0.2%
|
|
| 500 | 1 |
0.2%
|
|
| 1000 | 1 |
0.2%
|
|
| 1500 | 2 |
0.5%
|
|
| 2000 | 1 |
0.2%
|
|
| 3000 | 3 |
0.7%
|
|
| 50000 | 1 |
0.2%
|
|
| Sysmiss | 5892 |