| Value | Category |
|---|---|
| 1 | No longer an irrigator (replaced by someone else) |
| 2 | No longer an irrigator (not replaced) |
| 3 | Never been an irrigator |
| 4 | No longer a member of this household but has been an irrigator |
| 5 | No longer a member of this household and never been an irrigator |
| 6 | Never been a member of this household |