| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Nylon bags | 248 | 4781 |
11.2%
|
| 2 | Special bags | 186 | 1357 |
3.2%
|
| 3 | Carton boxes | 39 | 1185 |
2.8%
|
| 4 | Metal boxes | 50 | 729 |
1.7%
|
| 5 | Plastic boxes | 113 | 1241 |
2.9%
|
| 6 | Others, specify | 28 | 575 |
1.3%
|
| Sysmiss | 2095 | 32742 |