| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nylon bags | 388 |
11.7%
|
| 2 | Special bags | 218 |
6.6%
|
| 3 | Carton boxes | 319 |
9.6%
|
| 4 | Metal boxes | 14 |
0.4%
|
| 5 | Plastic boxes | 86 |
2.6%
|
| 6 | Others | 5 |
0.2%
|
| Sysmiss | 2294 |