| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 52 |
4.7%
|
| 1 | Yes | 1044 |
93.4%
|
| 8 | Don't know | 19 |
1.7%
|
| 9 | 3 |
0.3%
|
|
| Sysmiss | 17 |