| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | missing | 0 |
0%
|
| -99 | Refused to answer | 0 |
0%
|
| 1035 | 1 |
50%
|
|
| 2400 | 1 |
50%
|
|
| Sysmiss | 7210 |