| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 135 |
6.6%
|
| 2 | No | 1810 |
88.8%
|
| 8 | DK | 94 |
4.6%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 76 |