| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flush | 332 |
4.8%
|
| 2 | Water seal | 4057 |
58.1%
|
| 3 | Pit | 1587 |
22.7%
|
| 4 | Bucket | 8 |
0.1%
|
| 5 | Other | 29 |
0.4%
|
| 6 | None | 970 |
13.9%
|