| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 365 |
42.9%
|
| 0 | 465 |
54.6%
|
|
| 8 | 1 |
0.1%
|
|
| 300 | 2 |
0.2%
|
|
| 350 | 1 |
0.1%
|
|
| 500 | 2 |
0.2%
|
|
| 800 | 1 |
0.1%
|
|
| 1000 | 2 |
0.2%
|
|
| 1500 | 1 |
0.1%
|
|
| 1800 | 1 |
0.1%
|
|
| 2000 | 2 |
0.2%
|
|
| 2500 | 1 |
0.1%
|
|
| 3500 | 1 |
0.1%
|
|
| 4000 | 2 |
0.2%
|
|
| 5000 | 2 |
0.2%
|
|
| 6000 | 1 |
0.1%
|
|
| 6500 | 1 |
0.1%
|
|
| Sysmiss | 5634 |