| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once in two days | 187 |
46.9%
|
| 2 | At least once in 3 to 7 days | 145 |
36.3%
|
| 3 | At least once in 8 to 15 days | 58 |
14.5%
|
| 9 | others | 9 |
2.3%
|