| Value | Category | Cases | |
|---|---|---|---|
| 2 | No | 4 |
0%
|
| 3 | Do not know | 1 |
0%
|
| 4 | Not yet | 1 |
0%
|
| 8 | Not applicable | 144 |
0.7%
|
| 9 | Unspecified | 21040 |
99.3%
|