| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 166609 |
78.7%
|
| 1 | 1 | 44286 |
20.9%
|
| 8 | 558 |
0.3%
|
|
| 9 | Unspecified | 234 |
0.1%
|