| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 19144 |
90.2%
|
| 1 | 1 | 1713 |
8.1%
|
| 2 | 2 | 240 |
1.1%
|
| 3 | 3 | 31 |
0.1%
|
| 4 | 4 | 7 |
0%
|
| 99 | Unspecified | 83 |
0.4%
|