| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, underground drains | 3 |
1.8%
|
| 2 | Yes, open drains | 0 |
0%
|
| 3 | Yes, soak pits | 59 |
34.7%
|
| 4 | Yes, other | 95 |
55.9%
|
| 5 | No | 13 |
7.6%
|
| Sysmiss | 5835 |