| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Nylon bags | 2389 | 92754 |
74.2%
|
| 2 | Special bags | 264 | 7218 |
5.8%
|
| 3 | Carton boxes | 71 | 4433 |
3.5%
|
| 4 | Metal boxes | 130 | 3951 |
3.2%
|
| 5 | Plastic boxes | 107 | 3188 |
2.5%
|
| 6 | Others, specify | 54 | 1385 |
1.1%
|
| Sysmiss | 290 | 12146 |