| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 30 |
7.4%
|
| 2 | Weekly | 84 |
20.8%
|
| 3 | Monthly | 70 |
17.4%
|
| 4 | Annually | 26 |
6.5%
|
| 5 | After a certain period of time | 170 |
42.2%
|
| 6 | According to the harvest | 6 |
1.5%
|
| 98 | Don’t know | 17 |
4.2%
|
| Sysmiss | 5303 |