| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 13 |
0.1%
|
| 2 | No | 29 |
0.1%
|
| 3 | Not applicable | 17 |
0.1%
|
| 8 | Not applicable (skip) | 142 |
0.7%
|
| 9 | Unspecified | 20989 |
99.1%
|