| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
0%
|
| 2 | No | 16 |
0.1%
|
| 3 | Do not know | 8 |
0%
|
| 4 | Not yet | 28 |
0.1%
|
| 9 | Unspecified | 20875 |
99.7%
|