| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nylon bags | 1126 |
4.2%
|
| 2 | Special bags | 295 |
1.1%
|
| 3 | Carton boxes | 30 |
0.1%
|
| 4 | Metal boxes | 94 |
0.3%
|
| 5 | Plastic boxes | 87 |
0.3%
|
| 6 | Others, specify | 39 |
0.1%
|
| Sysmiss | 25428 |