| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
0%
|
| 2 | No | 17 |
0.1%
|
| 8 | Do not remember | 11 |
0%
|
| 88 | Not applicable | 23979 |
99.8%
|
| 99 | Unspecified | 8 |
0%
|