| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 73 |
7.3%
|
| 2 | 8 |
0.8%
|
|
| 3 | 5 |
0.5%
|
|
| 4 | 3 |
0.3%
|
|
| 88 | Not applicable | 0 |
0%
|
| 99 | Unspecified | 911 |
91.1%
|