| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 19550 |
9.4%
|
| 1 | 1 | 150 |
0.1%
|
| 8 | Not applicable | 558 |
0.3%
|
| 9 | unspecified | 187744 |
90.3%
|