| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 888 | Don't know | 2 |
40%
|
| 999 | Refused | 0 |
0%
|
| 1000000 | 1 |
20%
|
|
| 6000000 | 1 |
20%
|
|
| 20000000 | 1 |
20%
|
|
| Sysmiss | 1602 |