| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3136 |
72.2%
|
| 2 | No | 511 |
11.8%
|
| 8 | DK | 693 |
16%
|
| 9 | Missing | 2 |
0%
|
| Sysmiss | 303 |