| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 26 |
31.7%
|
| 2 | Weekly | 13 |
15.9%
|
| 3 | Monthly | 13 |
15.9%
|
| 4 | Annually | 4 |
4.9%
|
| 5 | After a certain period of time | 11 |
13.4%
|
| 6 | According to the harvest | 3 |
3.7%
|
| 98 | Don’t know | 12 |
14.6%
|
| Sysmiss | 5624 |