| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 190 |
19%
|
| 2 | About one month | 271 |
27.1%
|
| 3 | About two months | 163 |
16.3%
|
| 4 | More than two months | 294 |
29.4%
|
| 5 | Don't know | 65 |
6.5%
|
| 6 | Refused | 17 |
1.7%
|