| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per day | 1206 |
66.6%
|
| 2 | Per week | 38 |
2.1%
|
| 3 | Per month | 13 |
0.7%
|
| 4 | Per plot | 84 |
4.6%
|
| 5 | Per acre | 235 |
13%
|
| 6 | Per pole | 82 |
4.5%
|
| 7 | Per rope | 81 |
4.5%
|
| 8 | Other - specify | 72 |
4%
|
| Sysmiss | 2882 |