| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1609 |
17.6%
|
| 2 | No | 7434 |
81.3%
|
| 3 | Do not know | 86 |
0.9%
|
| 9 | Unspecified | 16 |
0.2%
|
| Sysmiss | 225788 |