| Value | Category | Cases | |
|---|---|---|---|
| -2 | Skipped | 2404 |
43.9%
|
| -1 | True missing | 17 |
0.3%
|
| 0 | No | 2440 |
44.5%
|
| 1 | Yes | 617 |
11.3%
|
| 99 | Refused to answer | 3 |
0.1%
|