| Value | Category | Cases | |
|---|---|---|---|
| 1 | DIRECT FROM SOURCE | 5396 |
80.2%
|
| 2 | COVERED CONTAINER | 1234 |
18.4%
|
| 3 | UNCOVERED CONTAINER | 6 |
0.1%
|
| 8 | UNABLE TO OBSERVE | 86 |
1.3%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 13797 |