| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 2 |
1.3%
|
| 1 | Positive | 0 |
0%
|
| 2 | Doubtful | 0 |
0%
|
| 3 | Refused to answer | 0 |
0%
|
| 4 | Indeterminate | 0 |
0%
|
| 7 | Not applicable | 158 |
98.8%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 4 |