| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | None | 0 |
0%
|
| 200 | 2 |
20%
|
|
| 250 | 1 |
10%
|
|
| 2600 | 1 |
10%
|
|
| 3500 | 1 |
10%
|
|
| 5000 | 2 |
20%
|
|
| 10000 | 1 |
10%
|
|
| 15600 | 1 |
10%
|
|
| 16000 | 1 |
10%
|
|
| Sysmiss | 612 |