| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2319 |
17.1%
|
| 1 | Yes | 11207 |
82.8%
|
| 8 | Don't know | 7 |
0.1%
|
| 9 | Missing | 231 | |
| Sysmiss | 20832 |