| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, underground drains | 0 |
0%
|
| 2 | Yes, open drains | 4 |
2.4%
|
| 3 | Yes, soak pits | 23 |
13.5%
|
| 4 | Yes, other | 17 |
10%
|
| 5 | No | 126 |
74.1%
|
| Sysmiss | 5835 |