| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 6342 |
95.7%
|
| 5 | Trace | 221 |
3.3%
|
| 6 | Small | 44 |
0.7%
|
| 7 | Moderate | 15 |
0.2%
|
| 8 | Large | 2 |
0%
|
| Sysmiss | 5201 |