| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 2 |
0.1%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 3713 |
99.9%
|
| -2 | Not asked in Phase 2 | 0 |
0%
|
| 900 | 1 |
0%
|
|
| 940 | 1 |
0%
|
|
| Sysmiss | 7576 |