| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 17 |
0.6%
|
| 2 | No | 2146 |
80.4%
|
| 9 | Don't know | 504 |
18.9%
|
| 90 | Don't know | 1 |
0%
|
| Sysmiss | 89 |