| Value | Category | Cases | |
|---|---|---|---|
| 1 | As soon as the pest appears | 4632 |
56.4%
|
| 2 | When the crop reaches a specific growing stage | 3395 |
41.3%
|
| 3 | When the pesticide is available | 167 |
2%
|
| 88 | Other | 22 |
0.3%
|
| Sysmiss | 7535 |