| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 12716 |
59.9%
|
| 1 | 1 | 7761 |
36.6%
|
| 2 | 2 | 671 |
3.2%
|
| 3 | 3 | 40 |
0.2%
|
| 4 | 4 | 6 |
0%
|
| 6 | 6 | 1 |
0%
|
| 99 | Unspecified | 23 |
0.1%
|