| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 438 |
15.4%
|
| 2 | No | 2378 |
83.7%
|
| 3 | Do not know | 20 |
0.7%
|
| 9 | Unspecified | 5 |
0.2%
|
| Sysmiss | 63705 |