| Value | Category | Cases | |
|---|---|---|---|
| 1 | Through the sewerage system | 143 |
2.4%
|
| 2 | Thrown into gutter | 1111 |
18.7%
|
| 3 | Thrown onto compound | 1255 |
21.1%
|
| 4 | Thrown onto outside compound | 3378 |
56.9%
|
| 6 | Other | 52 |
0.9%
|