| Value | Category | Cases | |
|---|---|---|---|
| Don't know | 476 |
9.7%
|
|
| No change the yield remains the same | 3107 |
63.2%
|
|
| Totally dry, no more water at all and cannot be used anymore | 370 |
7.5%
|
|
| Yield reduces but still can be used | 962 |
19.6%
|