| Value | Category | Cases | |
|---|---|---|---|
| 0 | Unknown | 0 |
0%
|
| 1 | Pre-negative | 59196 |
31%
|
| 2 | Negative | 37080 |
19.4%
|
| 3 | Post-negative | 53853 |
28.2%
|
| 4 | Pre-positive | 17632 |
9.2%
|
| 5 | Positive | 22704 |
11.9%
|
| 9 | Error | 580 |
0.3%
|