| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 6138 |
91.4%
|
| 5 | Trace | 326 |
4.9%
|
| 6 | Small | 159 |
2.4%
|
| 7 | Moderate | 68 |
1%
|
| 8 | Large | 21 |
0.3%
|
| Sysmiss | 7190 |