| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Metal | 2490 | 95552 |
76.4%
|
| 2 | Plastic | 139 | 6315 |
5%
|
| 3 | Others, specify | 5 | 167 |
0.1%
|
| Sysmiss | 671 | 23041 |