| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 16479 |
7.9%
|
| 1 | 1 | 3221 |
1.5%
|
| 8 | Not applicable | 558 |
0.3%
|
| 9 | unspecified | 187744 |
90.3%
|