| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1800 | 2 |
40%
|
|
| 3000 | 2 |
40%
|
|
| 4000 | 1 |
20%
|
|
| Sysmiss | 994 |