| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 15 |
1%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 0 |
0%
|
| 1 | Yes | 1379 |
88%
|
| 2 | No | 173 |
11%
|
| Sysmiss | 7 |