| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 29 |
4.3%
|
| 2 | No | 635 |
93.2%
|
| 77 | Don't know | 15 |
2.2%
|
| 99 | Refuse | 2 |
0.3%
|
| Sysmiss | 2340 |