| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 26 |
1.7%
|
| 0 | 2 |
0.1%
|
|
| 1 | Yes | 924 |
59.7%
|
| 2 | No | 595 |
38.5%
|
| Sysmiss | 28 |