| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 143 |
23.5%
|
| 2 | No | 460 |
75.7%
|
| 77 | Don't know | 4 |
0.7%
|
| 99 | Refuse | 1 |
0.2%
|
| Sysmiss | 2413 |