| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nylon bags | 2317 |
73.5%
|
| 2 | Special bags | 371 |
11.8%
|
| 3 | Carton boxes | 75 |
2.4%
|
| 4 | Metal boxes | 110 |
3.5%
|
| 5 | Plastic boxes | 109 |
3.5%
|
| 6 | Others, specify | 53 |
1.7%
|
| Sysmiss | 118 |