| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1387 |
16.5%
|
| 2 | No | 6927 |
82.4%
|
| 3 | Do not know | 68 |
0.8%
|
| 9 | Unspecified | 28 |
0.3%
|
| Sysmiss | 201507 |