| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 255 |
8.3%
|
| 2 | No | 2813 |
91.3%
|
| 7 | Don't know | 2 |
0.1%
|
| 9 | Don't know | 10 |
0.3%
|
| Sysmiss | 678 |