| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 0 |
0%
|
| 1 | Yes | 20 |
6.3%
|
| 2 | 297 |
93.4%
|
|
| 98 | Don't know | 1 |
0.3%
|
| Sysmiss | 319 |