| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Local authority dumping site | 713 | 3000 |
84.5%
|
| 2 | Private dumping site | 126 | 388 |
10.9%
|
| 3 | Randomly | 6 | 9 |
0.2%
|
| 4 | Others, specify | 65 | 142 |
4%
|
| Sysmiss | 9 | 13 |