| Value | Category | Cases | |
|---|---|---|---|
| -88 | -88.Not applicable | 0 |
0%
|
| -77 | -77.No Data Available | 3 |
30%
|
| -66 | -66.Refuse to answer | 0 |
0%
|
| -33 | -33.Don't Know | 7 |
70%
|
| Sysmiss | 231 |