| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
5.6%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 14 |
77.8%
|
| 0 | 3 |
16.7%
|
|
| Sysmiss | 7278 |