| Value | Category | Cases | |
|---|---|---|---|
| -2 | don/t know | 0 |
0%
|
| -1 | refuse | 0 |
0%
|
| 0 | 2 |
50%
|
|
| 300 | 1 |
25%
|
|
| 2000 | 1 |
25%
|
|
| Sysmiss | 1045 |