| Value | Category | Cases | |
|---|---|---|---|
| 50 | 4 |
17.4%
|
|
| 80 | 5 |
21.7%
|
|
| 100 | 6 |
26.1%
|
|
| 2500 | 4 |
17.4%
|
|
| 999998 | Don't know | 4 |
17.4%
|
| Sysmiss | 41989 |