| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 178 |
26.1%
|
| 0 | 488 |
71.7%
|
|
| 200 | 1 |
0.1%
|
|
| 250 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 500 | 2 |
0.3%
|
|
| 1000 | 3 |
0.4%
|
|
| 1300 | 1 |
0.1%
|
|
| 1500 | 1 |
0.1%
|
|
| 2000 | 1 |
0.1%
|
|
| 2500 | 1 |
0.1%
|
|
| 3000 | 1 |
0.1%
|
|
| 5000 | 1 |
0.1%
|
|
| Sysmiss | 5804 |