| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Open container | 139 | 156 |
25.1%
|
| 2 | Closed container | 274 | 314 |
50.6%
|
| 3 | Others | 1 | 1 |
0.2%
|
| Sysmiss | 140 | 150 |