| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2 |
0%
|
| 2 | No | 5 |
0%
|
| 4 | Do not know | 1 |
0%
|
| 8 | Not applicable | 21346 |
99.9%
|
| 9 | Unspecified | 20 |
0.1%
|