| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 1 |
5%
|
| -8 | -8. Refuse | 0 |
0%
|
| -5 | -5. Zero | 0 |
0%
|
| 50 | 1 |
5%
|
|
| 99 | 1 |
5%
|
|
| 100 | 2 |
10%
|
|
| 180 | 1 |
5%
|
|
| 200 | 3 |
15%
|
|
| 250 | 2 |
10%
|
|
| 300 | 4 |
20%
|
|
| 400 | 1 |
5%
|
|
| 500 | 2 |
10%
|
|
| 1000 | 1 |
5%
|
|
| 2800 | 1 |
5%
|
|
| Sysmiss | 979 |