| Value | Category | Cases | |
|---|---|---|---|
| 1 | a.Yes, emptied | 11169 |
46.6%
|
| 2 | b.No, never emptied | 5061 |
21.1%
|
| 3 | c. Not emptied but covered and left undisturbed when full | 636 |
2.7%
|
| 4 | d.Don't know | 7088 |
29.6%
|