| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 5 |
17.9%
|
| -1 | Refuse | 3 |
10.7%
|
| 1 | Net income | 19 |
67.9%
|
| 2 | Loss | 1 |
3.6%
|
| Sysmiss | 261 |