| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nylon bags | 71 |
16.5%
|
| 2 | Special bags | 167 |
38.7%
|
| 3 | Carton boxes | 145 |
33.6%
|
| 4 | Metal boxes | 6 |
1.4%
|
| 5 | . Plastic boxes | 7 |
1.6%
|
| 6 | Others | 7 |
1.6%
|
| Sysmiss | 28 |